3 years ago

Regular triangular pyramid has 6 cm long base edge and slant height k=9 cm. Find the lateral area of the pyramid.

Mathematics

2 answers:

Yuri [45]3 years ago

4 0

Answer

81 cm^2

Step-by-step explanation:

lateral area : 3 triangles of base 6 cm and height 9 cm

Lateral area = 3 times 1/2 times 6 times 9

= 81 cm^2

cricket20 [7]3 years ago

3 0

The lateral area consists of 3 triangles of base 6 cm and height 9 cm

Lateral area = 3 * 1/2 * 6 * 9 = 81 cm^2 answer

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