Answer:
Explanation:
This figure is made up of 2 congruent trapezia.
Area of 1 trapezium
= 1/2 * 7.5 * (8 + 15)
= 86.25 m^2
So area of the whole figure
= 2 * 86.25
= 172.5 m^2.
Perimeter
We first find the length of each sloping line using the Pythagoras theorem:
x^2 = (15-8)^2 + 7.5^2
= 105.25
x = √105.25
= 10.26 m
So the perimeter
= 2 * 10.26 + 2*15 + 15
= 20.52 + 45
= 65.52 m to the nearest hundrdeth.