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3 years ago

Find the Lateral area for the regular pyramid. (Keep it as a Square Root)

Mathematics

1 answer:

Shtirlitz [24]3 years ago

3 0

1. You must apply the following formula:

LA=1/2 ×(Perimeter of the base)(Slant length)

2. The slant length is (By the Pythagorean Theorem):

a^2=b^2+c^2

a= b^2+c^2

a=√(1^2+3^2)

a=√10

3. The perimeter of the base is:

P=2+2+2+2

P=8

4. Then, you have:

LA=1/2 ×(Perimeter of the base)(Slant Length)

LA=1/2 ×(8)(√10)

LA=(8√10)/2

LA=4√10

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Read 2 more answers