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grigory [225]
3 years ago
15

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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