Question

Geometry Sem2 Quiz 1.2.1 - Isosceles Triangles
2. Find the value of x.
x + 3
12

Answer 1

Answer:

x = 9

Step-by-step explanation:

The angles in red are equivalent and the triangle is isosceles.

This means the sides with lengths 12 and x + 3 are equivalent.

x + 3 = 12

x + 3 - 3 = 12 - 3

x = 9

:)

Answer 2

Answer:

9

Step-by-step explanation:

because isocelese triangle have 2 congruent and sence 9+3 =12 then the answer is 9

hope this helped:)