Question

In a ∆ABC, if a = 12 cm, b = 8 cm and C = 30°, then show that its area is 24 sq.cm

Answer 1

In ∆ABC Given

a = 12 cm,

b = 8 cm,

C = 30°

Area ∆ = `1/2` ab sin C

= `1/2 xx 12 xx 8 xx sin 30^circ`

= `6 xx 8 xx 1/2`

= 6 × 4

= 24 sq.cm