Answer:
AB = 12
Step-by-step explanation:
Since the triangle is isosceles, the sides AB and BC are congruent. Then you have ...
4x = 2x+6
2x = 6 . . . . . . subtract 2x
4x = 12 . . . . . .multiply by 2
The side AB has length 12.
Answer:
answer is option D : 42m+12
Answer:
B
Step-by-step explanation:
The SA of a cone is A=pi*r^2+pi*r*s
So instead of pi*5^2, it should be pi*3*5 (5 is the length of the slant).
Answer:
170ft
Step-by-step explanation:
Step-by-step explanation:


and,

⠀⠀⠀⠀

☆Find the 

Here,
BC =AC
so,
⠀⠀⠀

we know that,

But
(Ģìvéñ)
so..







But...

soo,


⠀⠀⠀⠀

