Question
32: The trapezoids are similar. The area of the smaller trapezoid is 711 m².
Find the area of the larger trapezoid to the nearest whole number.
The one trapezoid has a base of 27 m and the larger one has a base of 39 m.
39: Find the circumference. Leave your answer in terms of π.
It is a circle with a radius of 18 inches.
(multiple choice)
A. 36π in.
B. 324π in.
C. 18π in.
D. 54π in.
Find the area of the larger trapezoid to the nearest whole number.
The one trapezoid has a base of 27 m and the larger one has a base of 39 m.
39: Find the circumference. Leave your answer in terms of π.
It is a circle with a radius of 18 inches.
(multiple choice)
A. 36π in.
B. 324π in.
C. 18π in.
D. 54π in.
Answers
Reiny
Since the shapes are similar, their areas are proportional to the square of their corresponding sides, so
area-of-larger/711 = 39^2/27^2
solve
For the second one, surely you know that the perimeter of a circle is 2πr.
area-of-larger/711 = 39^2/27^2
solve
For the second one, surely you know that the perimeter of a circle is 2πr.