155k views
0 votes
Pyramid A has a square base with side lengths of 6 meters, and 4 triangular sides with a base of 6 meters and height of 7 meters. Pyramid B has a rectangular base with length of 6 meters and height of 4 meters, and 4 triangular sides. 2 triangular sides have a base of 6 meters and height of 9 meters. The other 2 triangular sides have a base of 4 meters and height of 9.3 meters. Which pyramid has the greatest surface area? Pyramid

User Pelin
by
8.3k points

2 Answers

0 votes

Explanation:

6 times 9 is 54.

54 divided by 2 is 27 volume ( recipitor) is 27 for no.1

6 times 7 is 42

42 divided by 2 is 21 is the recipitor or volume for no.2

there fore a has a bigger base surface

as base is measured by recipitorial angles

sorry if this isnt the right answer or what u wanted but I know it this way

User Giantriant
by
8.5k points
4 votes

Answer:

Pyramid A has greater surface area

Explanation:

Pyramid A

A=lw+l√((w /2)²+h²)+w√((l /2)²+h²)

l=w= 6 m

h= √7²-3³= √40 ≈ 6.33 m

A≈ 120 m²

Pyramid B

A=lw+l√((w /2)²+h²)+w√((l /2)²+h²)

l= 6 m

w=4 m

h= √9²-2³= √73 ≈8.54 m

A≈ 112.83 m²

User HardikDabhi
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories