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Mazyrski [523]
3 years ago
9

What is the area of this parallelogram? 28 m² 56 m² 84 m² 120 m²

Mathematics
1 answer:
svetlana [45]3 years ago
6 0

Answer:

84 m² is the correct answer.

Step-by-step explanation:

first, split the parallelogram into three shapes: the two triangles on either side of the shape, and the rectangle in the middle.

the formula for the area of a triangle is base x height / 2. all of the measures are indicated in the picture so that means that 4 x 7 / 2 = 14. since there are two triangles, add 14 + 14 = 28.

then, find the area of the rectangle. the area of a rectangle is length x width. 8 x 7 = 56.

56 + 28 = 84.

You might be interested in
In the regular pentagon below, if AP = 4 m and BC = 10 m, find it's area.
12345 [234]

First symmetrically cut the pentagon to get 5 pieces. (So that you will get the idea that this polygon is divided into 5 triangles)

Then find the area of one of the triangles:

Area of Triangle = \frac{1}{2} bh

A = \frac{1}{2} × 4 × 10

A = 20 m²

To find the area of the whole pentagon shape:

A = 20 × 5 = 100 m²

<em>Hope it helps!</em>

4 0
2 years ago
What is the domain of the ordered pair shown in the graph?
Margaret [11]

Answer:

D.

Step-by-step explanation:

It is the only one that contains all the x-values of the points. (Domain is the set of x-values).

6 0
1 year ago
n parallelogram LMNO, MP = 21 m, LP = (y + 3) m, NP = (3y – 1) m, and OP = (2x – 1) m. What are the values of x and y? x = 10, y
seropon [69]

Answer:

The value of x = 11  and y = 2

Step-by-step explanation:

Given : parallelogram LMNO, MP = 21 m, LP = (y + 3) m, NP = (3y – 1) m, and OP = (2x – 1) m.

We have to find values of x and y.

Let P be the point of intersection of diagonals OM and LN.

In a parallelogram diagonal  bisects at right angles  and point of intersection divide diagonal in equal parts.

Thus, OP = MP and LP = PN

OP = MP , substitute the values, we get,

(2x-1) =  21

⇒ 2x = 22

⇒  x = 11

LP = PN , substitute the values, we get,

y + 3 = 3y -1

⇒  3y - y = 4

⇒  2y = 4

⇒ y = 2  

Thus, the value of x = 11  and y = 2


8 0
3 years ago
Please help asap, i will mark as brainliest. please try to find the answer! asap
Hitman42 [59]
1. 14.4 km, 2. 25.2 km, 3. 37.8 km
8 0
3 years ago
What is 5x minus 5 factored​
AveGali [126]

Answer:

5(x-1)

Step-by-step explanation:

5 0
3 years ago
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