PQRS is a rectangle with a length of 10 inches and a width of 4 inches. What is the measurement of angle A, the angle formed by
2 answers:
Answer:
21.8°
Step-by-step explanation:
The two sides of the rectangle, 4 inches and 10 inches, make the legs of a right triangle that includes angle A.
The 4 inch side is opposite angle A and the 10 inch side is adjacent to angle A; this gives us the ratio for tangent:
To find the value of angle A, take the inverse tangent of each side:
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Answer:
x = -2
Step-by-step explanation:
Given :
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Cross multiplying the terms :
⇒ 8 (x + 4) = -16 (x + 1)
⇒ 8x + 32 = -16x - 16
⇒ 24x = -48
⇒ x = -2