Angle Relationships Answers
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For the triangle above, find sin A.
A
36°B
50°C
0.9323D
0.38522
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Which of the following statements is true?
A
sin 18° = cos 72°B
sin 55° = cos 55°C
sin 72° = cos 18°D
Both a and c.23
Given , determine and exactly.
A
andB
andC
andD
and24
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places. The sine of the complementary angle to 75°
A
0.65B
0.57C
0.34D
0.2625
A spruce tree is approximately the shape of a cone with a slant height of 20 ft. The angle formed by the tree with the ground measures 72º. Estimate the height of the tree. Round to the nearest foot.
A
22 ftB
27 ftC
19 ftD
17 ft27
When are two angles called complements of one another?
A
when together they are equal to 180 degreesB
when together they are equal to a right angleC
when together they are equal to an acute angleD
when together they are equal to an obtuse angleDid you find these answers helpful?
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