A.) Angle TRS
The other angles do not form straight angles.
Answer:
3,000
Step-by-step explanation:
Answer:
The surface area of the pentagonal prism is equal to 648 square inches
Step-by-step explanation:
we know that
The surface area of the pentagonal prism is equal to the area of the base and the top plus the lateral area
so

where
B is the area of the pentagonal base
LA is the lateral area (area of 5 equal-sized rectangles)


Answer:
8.63 square units
Step-by-step explanation:
you must set up a proportion.
3 x
- = -
8 23
after you set up that proportion, cross multiply to find x.
8x = 69
divide by 8
x = 8.625, rounded to 8.63