A goldsmith designed a trapezoidal pendant as shown in the figure below. If the perpendicular distance between AB and CD is 6 centimeters and the area of pendant ABCD is 42 square centimeters, find the length of side CD. 6 cm 6 ст 8 cm

A goldsmith designed a trapezoidal pendant as shown in the figure below. If the perpendicular distance between AB and CD is 6 centimeters and the area of pendant ABCD is 42 square centimeters, find the length of side CD. 6 cm 6 ст 8 cm

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Additional Topics In Trigonometry

Section3.2: Law Of Cosines

Problem 1ECP: Find the three angles of the triangle whose sides have lengths a=6 centimeters, b=8 centimeters, and...

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Question

A goldsmith designed a trapezoidal pendant
as shown in the figure below. If the
perpendicular
distance between AB and CD is 6
centimeters and the area of pendant ABCD is
42 square
centimeters, find the length of side CD.
D
6 cm
8 cm-
B

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