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VikaD [51]
3 years ago
10

Help me with this problem anybody

Mathematics
1 answer:
posledela3 years ago
7 0

Because this is a regular parallelogram, the angles you are solving for are congruent or equal to each other.

(3y+27) = (5y-3)

Use basic algebra to solve for the values.

27 + 3 = 5y - 3y

30 = 2y

15 = y

Now plug into one unknown angle:

(3(15)+27) = ?

= 72

72 degrees is the value of angle A

To find angle B, simply take 180 and subtract 72 from it.

180 - 72= 108

The value of angle B is 108 degrees.

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lesantik [10]

The figure can be decomposed into four rectangles of the figure can be decomposed into four trapezoids with a height of 3 in. and a base of 2 in. and 5 in. The area of the shaded region is 21 square in.

<h3>What is a rectangle?</h3>

It is a polygon that has four sides. The sum of the internal angle is 360 degrees. In a rectangle, opposite sides are parallel and equal and each angle is 90 degrees. And its diagonals are also equal and intersect at the mid-point.

The area of the shaded part of the figure below can be determined in different ways.

Then the figure can be decomposed into four rectangles of the figure can be decomposed into four trapezoids with a height of 3 in. and a base of 2 in. and 5 in.

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\rm Shaded \ area = 5^2 -  2^2\\\\Shaded \ area = 25 - 4\\\\Shaded \ area = 21

More about the rectangle link is given below.

brainly.com/question/10046743

#SPJ1

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