Find the area of the triangle.

1 answer:

5 0

Imagine you cut the triangle in half. You take the one half and flip it upside down and match it up next to the other hypotenuse. You now have a rectangle.

You can see that two of the sides should be 3 yd and the other two will be 4 yd because you cut 8 yd in half. To find the area you multiply length by width.

3 yd x 4 yd = 12 yd²

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If the difference between a number and 21 is divided by2, the result is 4 times the number. What is the number

Ostrovityanka [42]

(n-21)/2=4n is the equation

First, divide what is in the parentheses by 2
0.5n-10.5=4n

Then, multiply the whole equation by 2 so we have all whole numbers
n-21=8n

Move N so that it is with 8n
7n=-21

Divide 21 by 7
n=-3

Solution: The number (n) is equal to -3

6 0

3 years ago

Can you please help me with this

erastova [34]

Well there are no specific numbers, but the area of a rectangle is the length x the width, and the width is the area ÷ the length.

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3 years ago

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Stels [109]

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