The answer is 8.5 and also 9-4
Area of triangle = 1/2 x base x height
base = 15 + 6 = 21
height = 8
Area of triangle = 1/2 x 21 x 8 = 84 in²
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Answer: Area = 84 in²
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Yes, the perimeter of a square is ALWAYS four times the length of one of its sides; so the perimeter is proportional to the square's side length.
Answer: I think its A
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
Quadrant 1 is positive positive, Quadrant 2 is negative positive, and quadrant 3 is negative negative. Quadrant 4 is positive negative.