Question

Question 3 (1 point)

Sarah used three congruent triangles and a semicircle to design a school logo shown.
O a
Ob
Oc
Od
Which is the best estimate of the area of the logo, Sarah, designed in square Inches?
416.34 square inches
289.17square inches
M
6 in.
451.17 square inches
275.04 square inches
18 in.

Answer 1

A = (1/2)π(9^2) + 3(1/2)(6)(18) = 289.23 in.^2

The closest answer is B (since 3.14 was used for π).