2 years ago

Complete the steps to find the perimeter . 7 cm and 5 cm

Mathematics

1 answer:

scoundrel [369]2 years ago

5 0

You have to add .7+.7+5+5=11.4

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PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!

aleksley [76]

The length of PR is 4.4 units.

Explanation:

It is given that the length of the hypotenuse is 10 units.

Also, the angle of R is 64°

To find the length of PR, we shall use the cosine formula,

$\cos \theta=\frac{a d j}{h y p}$

Here, $\theta=64$ , adj = PR and hyp = 10

Substituting these values in the formula, we get,

$\cos 64=\frac{P R}{10}$

Multiplying both sides by 10, we get,

$10*\cos 64={P R}$

Substituting the value for cos 64, we get,

$10*0.438={P R}$

Multiplying, we have,

$4.38=PR$

Rounding off, we get,

$PR=4.4$

Thus, the length of PR is 4.4 units.

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3 years ago

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natka813 [3]

Answer:

$2^\frac{6}{2} ^4^*^2^5$ .

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2 years ago

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dybincka [34]

Answer:

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Kay [80]

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madreJ [45]

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