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Class 9 FRANK Solutions Maths Chapter 12 - Isosceles Triangle

Practise Frank Solutions for ICSE Class 9 Mathematics Chapter 12 Isosceles Triangle to revise the SAS criteria of triangles.  Learn to use the Angle-Side-Angle Criterion of Triangle to prove that a given triangle is an isosceles triangle. Go through the Maths solutions to grasp the ways the properties of triangle and angle can be used to use isosceles triangle-based problems.

Also, learn the steps to use the property of vertically opposite angles to provide proofs in a given problem based on an isosceles triangle. Apart for our Frank textbook solutions, review chapter concepts using our ICSE Class 9 Maths video lessons, online practice tests, and other study materials.

Isosceles Triangle Exercise Ex. 12.1

Solution 4(a)

Solution 4(b)


Solution 4(c)


Solution 4(d)

Solution 20

Solution 21

Solution 22(a)

Solution 23

Solution 24

Solution 1

Solution 2

Solution 3

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Solution 11

Solution 12

Solution 13

Solution 14

Solution 15

Solution 16

Solution 17

Solution 18

Solution 19

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