Question

find the area of a triangle whose base is 4 and altitude is 3?

Answer 1

Area = 1/2 × base × height
= 1/2 × 4 × 3
= 6 cm 2

Answer 2

1/2 × B × A
= 1/2 × 3 × 4
= 3 × 2
= 6 unit square.