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3 years ago

Pls answer question 9 quickly I will mark as brainliest

Mathematics

2 answers:

kirza4 [7]3 years ago

4 0

Answer:

80 degrees.

Step-by-step explanation:

THe reason why the 3 angles add up to 180 degrees is because they are the 3 angles in the triangle.

So m APB = 180 - 100

= 80 degrees.

Orlov [11]3 years ago

3 0

Answer:

in hint bap +abp +apb =180 (being sum of interior angle of triangle )

by using alternate angles ,crrosponding angles you can solved

Step-by-step explanation:

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olga2289 [7]

Answer:

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Step-by-step explanation:

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3 years ago

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Tatiana [17]

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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Let mA = 40°. If B is a complement of A, and C is a supplement of B, find these measures.

nasty-shy [4]

If B is a complement of A this means that the sum of the measures of A and B is 90 degrees.

mA + mB = 90
mB =90 - mA
mB = 90 - 40 = 50

Thus, the measure of angle B is 50 degrees.

If C is a supplement of B then, the sum of the measures of B and C is 180 degrees.
mC + mB = 180
mC = 180 - mB
mC = 180 - 50 = 130

Therefore, the measure of angle C is 130 degrees.

7 0

4 years ago

Read 2 more answers

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Vlad1618 [11]

Step-by-step explanation:

1）

$shaded \: parts = 20 \\ cans \: of \: paint \: needed = 20 \div 6 \\ = 3 \frac{1}{3} \\ = 4$