Answered: A 19-ft ladder leans against a building…

A 19-ft ladder leans against a building so that the angle between the ground and the ladder is 63°. How high does the ladder reach on the building? (Round your answer to the nearest foot.) 22 x ft

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter9: Real Numbers And Right Triangles

Section9.8: The Sine And Cosine Ratios

Problem 22E

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Question-based, "A ladder leans against the building".

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A 19-ft ladder leans against a building so that the angle between the ground and the ladder is 63°. How high does the ladder reach on the building? (Round your answer to the nearest foot.)
22
X ft

A
B
sino
PERPENDI CULAR
HY POTENUSE
USING
sing
AC
AB
Sin 63 =
19
AB
AB =
19
sin63
V 22
THUS, LADDER
REACHES TO
22
ft| ON
THE BUILDING.

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