Question

find the area of an isosceles triangle with base 20 cm long and each of the two equal sides 15 cm long ​

Answer 1

Answer:

area of isosceles triangle is 150cm

Step-by-step explanation:

Area isosceles triangle = 1/2×base×height

= 1/2×20×15

=10×15

= 150 cm

Answer 2

Answer:

a Side = 15 cm

b Base = 20 cm

A≈111.8cm²

I hope it help you