Answer:
Area of a square: s^2 = (10 m)^ 2 = 100 sq. m
Area of four triangles, or Area of a triangle times 4:
height is 4 m, base is 10 m, and formula of triangle's area:
= 1/2(b)(h)
= 1/2(10)(4)
= 20 sq. m.
20 times 4 = 80 sq. m
100 + 80 = 180 sq. m
ANSWER: SA is 180 sq. m
