In ΔBCD, the measure of ∠D=90°, the measure of ∠B=20°, and CD = 94 feet. Find the length of BC to the nearest tenth of a foot.
1 answer:
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Answer:
60
Step-by-step explanation:
Area of trapezoid:
The top base of the trapezoid is given as 7 cm. The bottom base of the trapezoid can be found with 7+5+5 = 17 cm. The height is given as 5 cm. Then, plug these values into the formula.
=
=
= 60