So if the formula is A=(pi)r^2, find the area of the entire circle:
A=(pi)(13^2)=530.66cm
then find the area of the little circle:
A=(pi)(3^2)= 28.26cm
then subtract the little circle from the big circle:
530.66cm-28.26cm= 502.4cm
and there you go. Hope this helps!
Answer:
83°
Step-by-step explanation:
We khow that the sum of a triangle's angle is 180°
- x is unkhown
- an angle with 43° and another unkhown one
We should calculate the first one wich is given by : 180-126= 54
now finally :
=83°
Answer:
w/3=4
w=12
Step-by-step explanation:
3 x 4 = 12
to undo division, you multiply.
Answer:
5 cubes. 5 cubes. 4 cubes 5 cubes
Step-by-step explanation:
is easy and no hard
Answer:
3 and 1/3
Step-by-step explanation:
It is 3 and 1/3 because there are 3 fully shaded circles (3) then one of the three parts for one circle (1/3)
If it was wrong there is something wrong with the test lol.
