Question

Q.9 The area of an isosceles triangle is 12cm². If one of its equal side is 5cm. Find its base.

Answer 1

Answer:

Given,

Area of an Isosceles triangle = 12cm²

# Area of Triangle = 1/2bh#

Altitude = 5cm

Base = b

=> 5b = 12cm²

=> b = 12/5 cms.....

Step-by-step explanation:

Hope it helps you....

Answer 2

Answer:

let the second no. be x

area of an isosceles triangle=1/2×l×b

area= 12cm²

one side =5cm

12cm²=1/2×5×x

12=1/2×5x

12×2=5x

24=5x

24/5=x

4.8=x