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Levart [38]
3 years ago
7

Please please help me out..........

Mathematics
1 answer:
Tema [17]3 years ago
7 0

Answer:

For the parallelogram to be a rectangle, at least one angle must be a right angle or a 90° angle, we know that:

    13x + 34° + 10x + 10° = 90°

=> 13x + 10x                   = 90° - 34° - 10°

=> 23x                            = 46°

=> x                                 = 46°/23 = 2°

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The area of a rectangular shape is given by

A=l\times b

Given:

It is given that a gallon of paint covers 400 square feet, and wall is 269 feet long and 4 feet high .

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Since,

\begin{gathered} 400\text{ sq f}eet=\text{ 1gallon} \\ 1\text{ sq f}eet=\frac{1}{400}gallon \\ 269\times4\text{ sq f}eet=\frac{1}{400}\times269\times4 \\ =\frac{269}{100} \\ =2.69\text{ gallon} \\ =3\text{ galllon} \end{gathered}

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