The angle that is obtuse is 1, because it is greater than 90°.
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Answer:
9
Step-by-step explanation:
6/2(1+2)
6/2(3)
3(3)
9
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9514 1404 393
Answer:
24 feet
Step-by-step explanation:
The side adjacent to the angle is given, and the hypotenuse of the triangle is the unknown. The cosine relation applies:
Cos = Adjacent/Hypotenuse
hypotenuse = ladder length = (5 ft)/cos(78°) ≈ 24.0 ft
The ladder is about 24 feet long.
Answer:
b
Step-by-step explanation:
