A solid oblique pyramid has a regular pentagonal base. The base has an edge length of 2.16 ft and an area of 8 ft2. Angle ACB me

Question

nlexa [21]

4 years ago

13

A solid oblique pyramid has a regular pentagonal base. The base has an edge length of 2.16 ft and an area of 8 ft2. Angle ACB me

asures 30°.

Mathematics

2 answers:

Margaret [11] · Answer 1 · 2022-01-17T07:41:21+03:00

Margaret [11]4 years ago

5 0

Answer:D is the answer

Step-by-step explanation:

choli [55] · Answer 2 · 2022-01-17T05:35:21+03:00

choli [55]4 years ago

3 0

Volume of the pyramid:
V = 1/3 · B · h
B = 8 ft²
tan 30° = height / 7√3
1/√3 = height / 7√3
height = 7 ft
V = 1/3 · 8 · 7 = 18.67 ft³ ≈ 19 ft³
Answer : D ) 19 ft³