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hraines13
09.02.2021 •
Mathematics
I’ve already done these but I wanna be sure I got the right answer!!
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Ответ:
1. 71.4
2. 40.10
Step-by-step explanation:
1. The radius is half of the diameter so just divide 142.8 by 2
2. Diameter is easy 20.5*2
Hope this helped :)
Ответ:
The length of the triangle is 3x given
The no of sides is 3x 3x 3x so 3x+3x+3x= 180
9x=180 x= 20
3x =3*20=60
3x=3*20=60
3x=3*20=60