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3 years ago

Work out the sum of the interior angles of any quadrilateral

Mathematics

1 answer:

goldenfox [79]3 years ago

5 0

Answer:

Step-by-step explanation:

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What is the measure for the following ∠? m∠EOD 20 120 140

Eddi Din [679]

Answer:

Part 1) m∠EOD=20°

Part 2) m∠AOD=80°

Step-by-step explanation:

Part 1) Find the measure of angle EOD

we know that °

m∠EOD=m∠EOX-m∠DOX

we have

Observing the figure

m∠EOX=140°

m∠DOX=120°

substitute

m∠EOD=140°-120°=20°

Part 2) Find the measure of angle AOD

we know that °

m∠AOD=m∠DOX-m∠AOX

we have

Observing the figure

m∠AOX=40°

m∠DOX=120°

substitute

m∠AOD=120°-40°=80°

8 0

3 years ago

Solve for the variable in 6⁄18 = x⁄36 A. 12 B. 6 C. 3 D. 9

RoseWind [281]

$\dfrac{6}{18} = \dfrac{x}{36}$

$\dfrac{1}{3} = \dfrac{x}{36}$

$\dfrac{1}{3} * 36 = x$ $|Multiply \ by \ 36|$

$x= \dfrac{36}{3}$ $|Divide \ both \ sides \ by \ 3|$

$x=12$

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3 years ago

What is 972 divided by 9

VikaD [51]

Answer:

108

Step-by-step explanation:

can i have brainliest?

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3 years ago

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-10x - 135 = 117 + 2x A. 25 B. -18 C. -21 D. 22 Helps pls

Lina20 [59]

Answer:

Step-by-step explanation:

Add 10x to both sides:

-10x - 135 = 117 + 2x

-10x - 135 + 10x = 117 + 2x + 10x

-135 = 117 + 12x

Subtract 117 from both sides:

-135 - 117 = 117 + 12x - 117

-252 = 12x

Divide both sides by 12:

$\frac{-252}{12} = \frac{12x}{12}$

-21 = x

So the answer is C.

Hope this helps!

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2 years ago

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Which of the following is an example of empirical probability

olasank [31]

Just wondering, Is there options?

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3 years ago

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Work out the sum of the interior angles of any quadrilateral​

Work out the sum of the interior angles of any quadrilateral