Question

3. Write the supplement of 21°,
4. Find the area of an equilateral triangle whose each side is 150m
SCO​

Answer 1

Answer:

3. 159

4.

Step-by-step explanation:

3. 180-21=159

4. area of equilateral triangle is given as √3/4*side^2

so, √3=1.73

1.73/4*150^2= 9742.78sq. m

Answer 2

Answer:

3)159

I hope you get that answer already