Question

help me with this please​

Answer 1

Answer:

put sin,tan and cos thetas value

Answer 2

b= 80m

h= 80m

Area of triangle = 1/2 × b × h

= 1/2 × 80 × 80

= 3200

Area of squad = side × side

= 80×80

= 6400

Area of shaded portion = area of squad - area of triangle

Area of shaded portion = 6400 - 3200

= 3200m²