Answer:
draw a right angle triangle
Step-by-step explanation:
Let one of the angles be A
cos A = sin (90-A)
90 - x - 20 = x
2x = 70
x = 35 degrees
Answer:
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Option C is the correct option.
Step-by-step explanation:
√ 8 • √ 5
Calculate the product

Simplify the radical expression


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