Answer:
b i thingk
Step-by-step explanation:
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Use the formula.
Area = (1/2)*13*10*sin(72°) ≈ 61.8 units².
Answer:
10 <u>increased</u> by <em>p</em> basically means 10 + <em>p</em>
Step-by-step explanation:
Answer:
the required answer of this question is 1/10
Answer:
the width in the original rectangle is 24 meters.
Step-by-step explanation:
We know the perimeters of both rectangles therefore we can calculate the scale in this way:
120/30 = 4
Which means that there is a 4: 1 scale between the original and the reduced rectangle.
We know that the length in the reduced rectangle is 9, therefore in the original it would be:
9 * 4 = 36
Which means that 36 meters is the length of the original rectangle. We know that the perimeter is equal to:
p = 2 * l + 2 * w
replacing:
120 = 2 * 36 + 2 * w
2 * w = 120 - 72
w = 48/2
w = 24
Which means that the width in the original rectangle is 24 meters.