haymish5810
22.08.2019 •
Mathematics
The length of a rectangle is 12in: and the perimeter is 56 in. find the width of the rectangle.
a. 32 in.
b. 22 in.
c. 21 in.
d. 16 in.
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Ответ:
Step-by-step explanation:
2l+2w=56
2 l+2(12)=56
2l=56-24
2l=32
l=16
width=16 in.
Ответ:
A) 66°
Step-by-step explanation:
You can tell that this triangle is a right triangle because it has a little square in the corner.
A right triangle is 90°.
7+16= 23
90-23= 67
67° is nearest to 66°.
Hence the answer is A) 66°.