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rewona [7]
3 years ago
12

What is the measure of angle 1?

Mathematics
1 answer:
ioda3 years ago
6 0

Answer:

see explanation

Step-by-step explanation:

∠1 and 170° form a straight angle and are supplementary, thus

∠1 = 180° - 170° = 10°

∠1 and ∠3 are vertical angles and congruent , thus

∠3 = 10°

∠2, 15° and ∠3 form a straight angle and sum to 180°, thus

∠2 = 180° - 15° - 10° = 155°

Thus

∠1 = 10°, ∠2 = 155°, ∠3 = 10°

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Find the area of a circle with radius, r = 60cm. Give your answer rounded to 3 SF.
katrin [286]

The area of the circle will be equal to 11309.733 square centimetres.

<h3>What is an area?</h3>

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the circle in a two-dimensional plane is called the area of the circle.

The area of the circle will be calculated by the following formula:-

Area = πr²

Area = π x ( 60 x 60 )

Area = 3.14 x 60 x 60

Area = 11309.733 square centimeters.

Therefore the area of the circle will be equal to 11309.733 square centimetres.

To know more about an area follow

brainly.com/question/25292087

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2 years ago
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Answer:

She can put 1/165 in one smoothie.

Step-by-step explanation:

1/3 divided by 55/1

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6 0
3 years ago
What is 89/100 as a percent?
masya89 [10]
89/100 as a precent is is 89% because if you change 89/100 to a decimal you get .89 and then you multiply that by 100 (or just move the decimal over 2 places to the right) and you will get 89% make since? and its the same way if your going from % to decimal except you divide by 100( or move the decimal over 2 places to the left) so to a percent is right and to a decimal is left. easy right?
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25.3% 

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