70 12.0m 0.3m 8. An architect designed a house that is 12.0 m wide. The rafters that hold up the roof are equal in length and meet at an angle of 70", as shown at the left. The rafters extend 0.3 m beyond the supporting wall. How long are the rafters? 9. A telephone pole is supported by two wires on opposite sides. At the top of the pole, the wires form an angle of 60. On the ground. the ends of the wires are 15.0 m apart. One wire makes a 45° angle with the ground. How long are the wires, and how tall is the pole?
70 12.0m 0.3m 8. An architect designed a house that is 12.0 m wide. The rafters that hold up the roof are equal in length and meet at an angle of 70", as shown at the left. The rafters extend 0.3 m beyond the supporting wall. How long are the rafters? 9. A telephone pole is supported by two wires on opposite sides. At the top of the pole, the wires form an angle of 60. On the ground. the ends of the wires are 15.0 m apart. One wire makes a 45° angle with the ground. How long are the wires, and how tall is the pole?
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°.
Related questions
Question
Please can you tell how to do Question # 8 & 9
Transcribed Image Text:70'
12.0 m
0.3 m
8. An architect designed a house that is 12.0 m wide. The rafters that
hold up the roof are equal in length and meet at an angle of 70°,
as shown at the left. The rafters extend 0.3 m beyond the supporting
wall. How long are the rafters?
9. A telephone pole is supported by two wires on opposite sides.
At the top of the pole, the wires form an angle of 60°. On the ground,
the ends of the wires are 15.0 m apart. One wire makes a 45° angle
with the ground. How long are the wires, and how tall is the pole?
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