Answer:
Step-by-step explanation:
Vaughn wants to put a line of bricks along the back edge of his yard. He needs 35 feet of bricks. The bricks he wants to buy are
each 10 inches long and cost $0.98 each. How much will Vaughn need to spend on bricks?
1 answer:
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The value of the acute angle is 40°
Step-by-step explanation:
Let the angle be 'θ'
Length of the ramp = 1 m
Height = 0.643 m
To find :
The angle of elevation.
we can use sine to find the angle of elevation.
sin θ = 0.643/1
sin θ = 0.643
0.643 = sin 40°
sin θ = sin 40°
So, θ = 40°
The angle of elevation is 40°
