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MatroZZZ [7]
3 years ago
13

Find the area of a trapezoid with sides of 8cm 14cm 8cm 21cm and a height of 7cm​

Mathematics
1 answer:
Vilka [71]3 years ago
8 0

Answer:

The answer to the question is 122.5

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Geometry. Attached photo. PLEASE FOR THE LOVE OF GOD.
kupik [55]

Answer:

m<C = 42°

Step-by-step explanation:

Given:

m<A = (2x - 2)°

m<C = (4x - 6)°

m<DBC = (5x + 4)°

Thus:

m<DBC = m<A + m<C (exterior angle theorem of a triangle)

(5x + 4)° = (2x - 2)° + (4x - 6)°

Solve for x

5x + 4 = 2x - 2 + 4x - 6

Collect like terms

5x + 4 = 6x - 8

5x - 6x = -4 - 8

-x = -12

Divide both sides by -1

x = 12

✔️m<C = (4x - 6)°

Plug in the value of x

m<C = 4(12) - 6 = 48 - 6

m<C = 42°

4 0
3 years ago
Read 2 more answers
Which is the larger amount 4/10 of a dollar or 8/10 of a dollar
3241004551 [841]
8/10 of a dollar is the correct answer

7 0
3 years ago
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(2,-4) and (6,2).<br> Find the mid point
Olin [163]

Answer:

The answer is

<h2>( 4 , - 1)</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

M = (  \frac{x1 + x2}{2} , \:  \frac{y1 + y2}{2} )

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(2,-4) and (6,2)

The midpoint is

M = ( \frac{2 + 6}{ 2}  , \:  \frac{ - 4 + 2}{2} ) \\  = ( \frac{8}{2}  \: , \:  -  \frac{2}{2} )

We have the final answer as

<h3>( 4 , - 1)</h3>

Hope this helps you

6 0
4 years ago
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Pls help me calculate the total area of compound shapes?!?!?
alexandr1967 [171]

Answer:

Number 1 is 38cm and number 2 is 22ft.

5 0
2 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
MrMuchimi

Answer:

3/4

Step-by-step explanation:

The zero at the end of the number is not important, so you are left with 0.75

Basically, you can think of it as 75 is three-fourths of 100, so the fraction would be 3/4. (and 3/4 is completely simplified)

6 0
3 years ago
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