Answer:
(1,-1/2)
Step-by-step explanation:
Add both x values and divide by 2
Add both y values and divide by 2
( -5+7 )/2 = 1
(4 - 5)/2 = -1/2
(1,-1/2)
Answer:
c,b,a
Step-by-step explanation:
Answer:
CSA of cylinder= 2πr(h+r)
=2 π×9 (21)
= 378π cm²
now
CSA of hole= 2πr
12π cm²
The area is the same, regardless of how you find it. It is the product of base length and height measured perpendicular to that base.
.. 15*8 = 10*AX
.. AX = 15*8/10 = 12