Answer:
Step-by-step explanation:
height of pyramid = √(10²-(5/2)²) = √93.75
volume of pyramid = ⅓b²h = ⅓·5²√93.75 ≅ 80.69 in³
lateral area = 2×5×10 = 100 in²
base area = 5² = 25 in²
surface area = 100+25 = 125 in²
10 Triangles fit inside a Decagon
Hope it helps :)
Answer:
h=11
Step-by-step explanation:
divide:
132/12h
11h
Answer:
N/A
1 + 1 = 2
Step-by-step explanation:
You set (x+15) equal to 40 and solve for x.
x+15=40
-15 -15
x=25
Hope this helps!