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Class 9 maths NCERT solutions-Chapter 12 Heron’s formula To understand this formula better let us go through   Class 9 Maths solutions   Area of a triangle=√s(s-a)(s-b)(s-c) Exercise 1 Question 1 . A traffic signal board, indicating ‘SCHOOL AHEAD’ is an equilateral triangle with side     Find the area of the signal board, using Heron’s formula. If its perimeter is 180 cm, what will be the area of the signal board? MATHS Question Solution:-Perimeter=sum of all sides = 180=3a =side of a triangle 180/3=60cm =s=180/2=90 = using herons formula =√s (s-a)(s-b)(s-c) =√90(90-60)(90-60)(90-60) =√90*30*30*30 =√3*3*10*3*10*3*10*3*10 =3*3*10*10√3 =900√3cm² Question – Sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540 cm. Find its area? Solution-  Let the ratio b x Perimeter= sum of all sides 540 =12x+17x+25x 540=54x X=540/54=10 Side a =12*10=120 Side b=17*10=170 Side c=25*10=250 S=a+b+c/2=540/2=270 cm Area of a triangle u

Para Jumble Quiz IBPS/SBI/RRB – PO/CLERK Online banking classes  : Takshila Learning is one of the fastest growing educational portal focusing on providing  Online Coaching Classes  to our aspirants as well as  Online Test Series  for Bank PO , Clerk, RRB etc. What we provide: High-Quality  video lectures  by our experienced faculties accessible through SD card. Online Study Material Regular Topic-wise articles on all the subjects. MCQs based Tests & Quizzes Online Test Series Job Alerts Regular updates, notifications, and articles are published on our site for your help. Here, we will share few examples with solutions of ‘Para-Jumble’ from English section . Para Jumble Questions (1-5):  Rearrange the sentences to form a meaningful coherent paragraph and then answer the following questions: (A) Everything he touched turned into gold. He turned trees, grass, tables, chairs, flowers, and vases into gold. (B) King Midas was a very greedy king. (C) E

NCERT 12th physics notes - Electric Field Electric Field:  The region in which a charge experiences a force is called an electric field. Electric Field Strength:  Electric field strength at a point is vector quantity and is defined as the force experienced by unit positive charge placed at that point and whose direction is along direction of force. The electric field strength due to a point charge q at a distance r is E = q/4Π£ 0  r 2 The unit of Electric field strength is Newton/Coulomb. Electric Field Lines: The path along which a unit positive charge would move if it is free to do so. Properties of  Electric Field Lines: Electric field lines start at positive charge and end at negative charge. For an isolated single charge electric field lines start or end at infinity. Two electric field lines never intersect each other. In a charge free region electric field lines have no break or they are continuous. In a uniform electric field, electric field l

CBSE Biology notes class 11- Alimentary canal and digestion Takshila Learning focuses on on-line coaching job categories by our practiced college to the scholars. we offer Biology notes, Chemistry notes, Physics notes as per the CBSE curriculum, last year question papers for board exams preparation. Our sole objective is to supply quality and result homeward education still as steering to the youth of the country so as to realize their goals. during this article, the subsequent topic  ‘Alimentary Canal and Digestion’  from the unit Human Physiology of   biology 11th class  curriculum is mentioned. CBSE Biology notes for class 11 – Alimentary canal and digestion Every living organism needs energy for the proper functioning of their body. The ultimate source of energy is the sun. Plants trap the energy from the sun (solar energy) with the help of chlorophyll(a green pigment present in the green leaves of many plants) andsynthesise carbohydrates from carbon di oxide and water.

Problems on Trains Aptitude Questions and Answers Takshila Learning is an unique brand in educational innovations recognized for providing  online classes for Banking ,  online test series  for  IBPS/SBI  exams. Key Features of Takshila Learning: High-Quality video lectures  by our experienced facultiesaccessible through SD card. Online Study Material Regular Topic-wise articles on all the subjects. MCQs based Tests & Quizzes Online test series for Bank PO Job Alerts Takshila Learning regularly offers you different blogs and articles on important topics, news, and information related to banking exams. In this article, the following topic ’Problem on Trains’ from Quantitative section has been explained. Problems on trains Problems on trains are similar to ‘Time and Distance’ problems. The only difference here is that we have to consider the length of the train as distance while solving problems on trains. Some important points: To convert ‘x’ Km/hr into

NCERT Chemistry Class 11 - Chemical Bonding  In this article, the following topic ‘Chemical Bonding’ from the unit  Chemical Bonding and Molecular Structure  of  Class 11 Chemistry  syllabus is discussed. Chemistry notes for class 11 :  A  Chemical bond  is an attraction between atoms or we can say elements (are the simplest type of matter containing only one kind of atom). A chemical bond enables the formation of a chemical compound. Hence a compound can be defined as a substance consisting of two or more different or same kind of elements that are bonded chemically. The chemical bonds hold the elements together and form temporary connections that are essential for life. The atoms can be connected together by strong bonds or by weak bonds. The chemical bonds are essential to the chemistry of a living organism as well as to the stability of the environment in which it lives. The elements combine in two general ways, and both involve the electrons (outermost or valence elec

Section 8 Company : CS Executive Classes For  CS preparation , Takshila Learning is offering  CS Executive online classes  for students in an easy, convenient and simple way through our portal  www.takshilalearning.com .  It helps students to grab the conceptual knowledge in a different but simple way. CS online classes for CS preparation is a collection of HD-quality recorded lectures with the detailed explanation of the content by experienced and well-known faculties. An interesting topic from  Advanced Company Law  – ‘Section 8 Company’ is discussed below: Procedure for Obtaining License from Central Government For new companies (Rule 19) Application in Form RD 1 to be made with ROC Documents to be attached – Draft copy of Memorandum of Association (MOA) as per Form INC 13 – Draft copy of the Articles of Association (Format not prescribed) – A declaration in Form INC 14 by professional stating that the draft of the MOA and AOA have been drawn up in conformity