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2 years ago

Please help this is urgent. The question is attached

Mathematics

2 answers:

topjm [15]2 years ago

8 0

Yes it is a 90 degree rotation clockwise.

maks197457 [2]2 years ago

7 0

Answer:

Yes?

Step-by-step explanation:

This is a rotation because the share equal angle measures and the same area. For two shapes on a plane to be rotations of each other , they must be of equal area , and all their angles must be equal.

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Hilda runs 2/3 of a mile in a half-hour. If she continues to run at a constant rate, how many miles will she run in 3 hours?

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224

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makvit [3.9K]

Answer:

Correct: A, D, F

Step-by-step explanation:

Consider right triangle EFG.

By the definition of the cosine function,

$\cos \angle E=\dfrac{EG}{EF}\\ \\\cos 30^{\circ}=\dfrac{EG}{EF}\\ \\\dfrac{\sqrt{3}}{2}=\dfrac{EG}{EF}\\ \\EG=\dfrac{\sqrt{3}}{2}EF$

Option F is correct.

By the definition of the sine function,

$\sin \angle E=\dfrac{FG}{EF}\\ \\\sin 30^{\circ}=\dfrac{GF}{EF}\\ \\\dfrac{1}{2}=\dfrac{GF}{EF}\\ \\GF=\dfrac{1}{2}EF\\ \\EF=2FG$

Option D is correct.

By the definition of tangence,

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2 years ago

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Viktor [21]

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