Answer:
305.5 sq inches
Step-by-step explanation:
A (trapezoid) = 1/2·h·(sum of bases)
A = 1/2(17)(8 + 23)
A = 8.5(31)
A = 263.5
A(triangle) = 1/2·b·h
A = 1/2·(6)·(17-3)
A = 3(14)
A = 42
Total Area = 263.5 + 42.0 = 305.5 sq in
