Question

2and3 I will follow u

Answer 1

72 = 1/2*16*h
72= 8h
h=72/8= 9cm


224= 1/2*28*h
224= 14h
h=224/14= 16cm

Answer 2

Heya!!!

This is your answer

We know that area of triangle is 1/2 × bh

In first.....
Given :-
Area = 72cm²
Base = 16 cm.

Area = 1/2 × bh
72 = 1/2 × 16 × h
h = 72/8

Hence height is 9 cm.


In second....
Given :-

Area = 224 cm².
Base = 28 cm.

A = 1/2×bh
224 = 1/2× 28 × h
h = 224/14
Hence height is 16 cm.

Hope it helps