Answer: clearly the answer is B hope this helps
Step-by-step explanation:
for 2a, use the theorems of geometry and such to look at the area of the square as 16 squares total, then use the lengths and Sim/cos rule for the triangular area, then subtract and you have you shaded area.
Answer: 0.2 or 5 one of them
Step-by-step explanation:
Lateral surface area is different then regular surface area. It is the area of the faces that are not the bases. In this case there is 4 square faces that are not the bases. So...
144/4=36, then take sqrt to get 6 edge length.
Answer:
3
Step-by-step explanation:
