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3 years ago

Triangle DEF is a scaled copy of triangle ABC. Which angle in the scaled copy corresponds to angle C?

Mathematics

2 answers:

Alexxx [7]3 years ago

3 0

Its F! F is corresponds to the angel C!

damaskus [11]3 years ago

3 0

F. You can tell by ratio of side lengths, which is 1.5, which means that one side of triangle DEF is 1.5 times longer than the corresponding side in triangle ABC. We know that line AC corresponds to line DF because 9 is 1.5 times larger than 6. We also know that corresponding side lengths have corresponding angle measures, so we know that angle C corresponds to angle F.

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Leilani practiced piano for 3/5 of an hour. Sarah practiced piano for 7/8 of an hour.

ivolga24 [154]

Answer:

The number of hours did Sarah practice more than Leilani is $\dfrac{11}{40}$ hours .

Step-by-step explanation:

Given as :

The time for which Leilani practiced piano = $\dfrac{3}{5}$ hours

The time for which Sarah practiced piano = $\dfrac{7}{8}$ hours

Let the number of hours did Sarah practice more than Leilani = T hours

Now, According to question

The number of hours did Sarah practice more than Leilani = $\dfrac{7}{8}$ hours - $\dfrac{3}{5}$ hours

Or, T = $\dfrac{35-24}{40}$ hours

Or, T = $\dfrac{11}{40}$ hours

So,The number of hours did Sarah practice more than Leilani = T = $\dfrac{11}{40}$ hours

Hence, The number of hours did Sarah practice more than Leilani is $\dfrac{11}{40}$ hours . Answer

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3 years ago

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notsponge [240]

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gayaneshka [121]

Answer:

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Step-by-step explanation:

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3 years ago

PLEASE HELP ME!! Find the measure of angle A: Find the measure of angle B:

g100num [7]

Answer:

Measure of angle A is 65 degrees and measure of angle B is 37 degrees.

Step-by-step explanation: First add all of the degrees of excluding x (4+(-9)) which is -5. Then subtract that from 180 since that is the sum of all the angles in a triangle which gives you 185. Then divide it by the number of "x's" that there are which is 5 which gives you 37. So angle B is x which is 37 degrees and angle a is 2(37)-9 which is 65 degrees. Hope this helps.

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3 years ago