Answer:
To find x I need to see the equation :/
Rotation will not map the preimage ABC onto the image A'B'C'
If you want a shorter way to find the perimeter then just multiply how many sides and the length of the side.
4 x4 = 16
However this only works if the 2D shape is an equilateral. So this trick only works in certain situations.
Answer:
115 in²
Step-by-step explanation:
SA = Area of triangular surfaces + area of the square base
SA= 2bh + b²
SA = 2(5)(9)+5²
SA = 90+25
SA = 115
