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Hunter-Best [27]
3 years ago
8

What percent of 42 is 28

Mathematics
1 answer:
Yuri [45]3 years ago
7 0
Let the % be "x"
Now according to the question,
x% of 42 = 28
(x / 100)*42 = 28
42x / 100 = 28
42x = 28 * 100
x = (28 * 100) / 42
x = 66.67 ..............................answer rounded to the nearest hundredth

So, 66.67% of 42 is 28
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Work out the size of one of the exterior angles
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<u>Given</u><u> </u><u>Information</u><u> </u><u>:</u><u>-</u>

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  • A polygon with 10 sides ( Decagon )

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<u>To</u><u> </u><u>Find</u><u> </u><u>:</u><u>-</u>

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  • The value of one of the exterior angles

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<u>Formula</u><u> </u><u>Used</u><u> </u><u>:</u><u>-</u>

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\qquad \diamond \:  \underline{ \boxed{ \pink{ \sf Exterior ~angle = \dfrac {360^\circ}{no. ~of~sides}}}} \:  \star

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<u>Solution</u><u> </u><u>:</u><u>-</u>

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Putting the given values, we get,

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\sf \dashrightarrow Exterior ~angle =  \dfrac{360  ^\circ}{10} \:  \:   \\  \\  \\ \sf \dashrightarrow Exterior ~angle =  \frac{36 \cancel{0}^\circ}{ \cancel{10}} \:  \:   \\  \\  \\ \sf \dashrightarrow Exterior ~angle =  \underline{ \boxed{ \frak{ \red{36^\circ}}}} \: \star \\  \\

Thus, the value of the exterior angles of a Decagon is 36°.

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\underline{ \rule{227pt}{2pt}} \\  \\

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