3 years ago

Calculate the perimeter of the figure shown below.

Mathematics

1 answer:

Julli [10]3 years ago

3 0

Answer:

Step-by-step explanation:

perimeter means that you add up all the sides do the perimeter is 41

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3 years ago

The area width is 9ft the total is 27ft

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Step-by-step explanation:

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3 years ago

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4 years ago

What is the measure of angle A ?<br> what is the measure of angle B ?

lesya692 [45]

Answer:

$\angle\,A=72^o\\\angle\,B=108^o$

Step-by-step explanation:

Notice that buy construction of a parallelogram,the angles $\angle \,A$ and $\angle \,C$ must equal each other. Then, based on the info given, we can write the following equation:

$3\,y+27^o=5\,y-3^o\\27^o+3^o=5\,y-3\,y\\30^o=2\,y\\y=15^o$

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and since the addition of all internal angles of the parallelogram must equal $360^o$ , then:

$B+D=360^o-72^o-72^o=216^o$

and therefore, since $\angle \,B$ and $\angle \,D$ must be equal, then:

$\angle\,B=\frac{216^o}{2} =108^o$

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3 years ago

Which equation is y = 9x^2 + 9x – 1 rewritten in vertex form

user100 [1]

You have to solve for 9x first

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3 years ago

Read 2 more answers