melissacornut
16.06.2020 •
Mathematics
the side of a triangle are in the ratio of 3:8:7. if the perimeter of the triangle is 63 cm, how long is the shorter side?
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Ответ:
10.5 cm
Step-by-step explanation:
Multiply the ratios by x
3x : 8x: 7x
Add the sides together
3x+8x+7x to get the perimeter
18x = 63
Divide each side by 18
18x/18 = 63/18
x =3.5
The shorter side is 3x
3*3.5=10.5 cm
Ответ:
ok cool
Step-by-step explanation: