Answer:
The answer is 15
Step-by-step explanation:
Answer:
1.2 cm
Step-by-step explanation:
Quadrilateral circumscribing a circle is a quadrangle whose sides are tangent to a circle inside it (see attached diagram).
The area of circumscribed quadrilateral is

where
is semi-perimeter and r is radius of inscribed circle.
In your case, 
If a quadrilateral is circumscribed over the circle, then the sum of opposite sides is equal, so

so

Now

Answer:
2355 cm^2
Step-by-step explanation:
The volume of a cone is given by
V = 1/3 pi r^2 h
V = 1/3 (3.14) (15)^2 (10)
V =2355
Answer:
4
Step-by-step explanation:
Easy
1/2+1/2=1 or 2/2
2/2+1/2= 3/2
3/2+1/2= 2
1/2*4=2
1/2+1/2+1/2+1/2=2
there are 4 halves in 2
Hope this helps
Answer:
1350
Step-by-step explanation:
use binomial general term expression for (r+1)th term
get the power of x in terms of r.
equate the expression to -2 and solve for r.
replace value of r and calculate the coefficient.