Answer:
5 cm
Step-by-step explanation:
Perimeter of a semicircle is :
P = πr + 2r
P = r(π + 2)
25.71 = r(3.14 + 2)
25.71 = r(5.14)
Divide both sides by 5.14
25.71 / 5.14 = r(5.14) / 5.14
5.0019455 = r
Hence, radius of semicircle = 5 cm
Answer:
a and d
Step-by-step explanation:
it has a ratio comparison
Answer: C
Step-by-step explanation: If this is drawn to scale, 12 15 and 30 make absolutely no sense, because if you multiply any of those numbers by 5 your gonna get a number bigger than 60.
Therefore, 6 is the answer
The answer is SI
Hope this helped
Answer:
x=4 y=1
Step-by-step explanation:
given equation
x+y=5
so x= 5-y.......(i)
and
x-2y=2
so x= 2+2y........(ii)
then
5-y=2+2y
therefore y=1
and x=4
