Answer:
193.75
Step-by-step explanation:
Recall that for
, we have

Replace
with
and we get

Lastly, multiply this by
, so that

Answer:
Step-by-step explanation:
using formula
a^2+b^2=c^2
x^2+4^2=8^2
x^2+16=64
x^2=64-16
x=
cm
Answer:
441.96
Step-by-step explanation: divide 1450 by 3.28
Answer:
Step-by-step explanation:
First we must find the missing number, for that we apply a simple rule of three:
3. 4
27 ------ x
x = 27 (4) / 3 = 36
Now we just do the sum:
27 + 36 = 63