In a lateral face of a regular square pyramid, an altitude is drawn from a base vertex to the opposite lateral edge contained by the same face. The angle formed by this altitude and the base edge of the same lateral face is 20°. Find the surface area of the pyramid if the base edge is 7 cm long. Round your answer to the nearest cm². A B M cm 2 K C N
In a lateral face of a regular square pyramid, an altitude is drawn from a base vertex to the opposite lateral edge contained by the same face. The angle formed by this altitude and the base edge of the same lateral face is 20°. Find the surface area of the pyramid if the base edge is 7 cm long. Round your answer to the nearest cm². A B M cm 2 K C N
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Transcribed Image Text:In a lateral face of a regular square pyramid, an
altitude is drawn from a base vertex to the
opposite lateral edge contained by the same face.
The angle formed by this altitude and the base
edge of the same lateral face is 20°. Find the
surface area of the pyramid if the base edge is 7
cm long. Round your answer to the nearest cm².
A
B
M
cm
2
K
C
N
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