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Murrr4er [49]
3 years ago
6

How to find the area

Mathematics
1 answer:
sp2606 [1]3 years ago
7 0
You know from trigonometry that AB = 15 units, so the area of the larger triangle ACB is (1/2)*15*15 = 112.5 units^2.

Then the area of triangle ADE is
.. (112.5 -62.5) = 50 . . . . units^2
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Find the base of a parallelogram with a slant height of 7cm and an perimeter of 63 cm2
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Base of parallelogram b = 24.5 cm

Step-by-step explanation:

We are given:

Perimeter =P= 63 cm^2

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The formula used is:

Perimeter = 2(a+b)

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Putting values:

Perimeter = 2(a+b)\\63=2(7+b)\\63=14+2b\\2b=63-14\\2b=49\\b=\frac{49}{2}\\b=24.5

So, Base of parallelogram b = 24.5 cm

Keywords: Perimeter of Parallelogram

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