Answer:
127.17 cm²
Step-by-step explanation:
- Area of a semicircle: 1/2*π*r²
- π (pi) = 3.14
- r (radius) = d (diamater) / 2 => 18/2 = 9 cm
A = 1/2*π*r²
A = 1/2*3.14*9²
A = 1/2*3.14*81
A = 3.14*40.5
A = 127.17 cm²
Therefore, the area of the semicircle is 127.17 cm²
Hope this helps!
Answer:
75.2
Step-by-step explanation:
multiple 8 by 9.4
Answer:
what are the numbers you wsnt to find? if you don't know then you've answeref your own question with this, well, question..!
The second one. Hope this helps:)
6,025, 305< 6,026,305< 6,027,305.
answer:
40°
explanation:
100 + 40 + 40 = 180 (sum of all the interior angles of a triangle)
