Question

Maths plss, i need help

Answer 1

see attachment

aera= base*h

we will plot the height and calculate it

height BH on DC

we calculate BH

sin79=BH/BC

BH = sin(79)*13≈12.753cm

we calculate the area of the parallelogram:

BC*BH = 21*12.753≈267.813cm²

Explanation: