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Part A

Which equation can we use to find the length of the side labeled x?

A cos 30° = x/5
B tan 30° = 5/x
C sin 30° = x/5
D sin 30° = 5/x

Part B
What is the value of x?

Part A Which equation can we use to find the length of the side labeled x? A cos 30° = x-example-1

1 Answer

3 votes

Answer:

1) D

2) 10

Explanation:

sin(30) = opposite/hypotenuse

sin(30) = 5/x

½ = 5/x

x = 5/0.5

x = 10