The longer base of an isosceles trapezoid measures 23 ft. The nonparallel sides measure 9 ft, and the base angles measure 80°. Find the length of a diagonal.

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Daan Olislagers asked Mar 26, 2022

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The longer base of an isosceles trapezoid measures 23 ft. The nonparallel sides measure 9 ft, and the base angles measure 80°. Find the length of a diagonal.

Mathematics
high-school

Daan Olislagers asked Mar 26, 2022

by Daan Olislagers

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Answer:

Hi,

Explanation:

Using Al's kashi theorem,

diag²=9²+23²-2*9*23*cos(80°)=538,109654....

diag=23,197190... (ft)

Tushar Garg answered Apr 1, 2022

by Tushar Garg

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