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Each edge of pyramid V- XYZ is 6 cm. Find the following numerical answers.

L.A.=___

Short Answer

Expert verified

The lateral area of the pyramidV−XYZis equal to273 â¶Ä‰c³¾2273 â¶Ä‰c³¾2.

Step by step solution

01

Step 1. Given information.

The givenV−XYZpyramid:

Each edge of pyramid is equal to 6.

02

Step 2. Write the concept.

The lateral area of the pyramid is the product of number of faces and the area of each face.

L.A.=n×B

The area of each face is equal to the area of the base.

The base of the pyramid is equilateral triangle with edge of triangle is equal to 6 cm.

The formula for the area of the equilateral triangle is,

B=34a2

03

Step 3. Determine the Lateral Area.

Substitute 6 for a in the formula for area.

B=34a2=34(6)2=34(36)=93

Substitute93for b and 3 for in n the formula for lateral area.

L.A.=n(B)=3(93)=273

L.A.=n(B)=3(93)=273

Therefore, the lateral area of the pyramidV−XYZis equal to 273 â¶Ä‰c³¾2.

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