avapuppy123 avapuppy123

09-02-2015
Mathematics

Answered

What is the surface area of a triangular pyramid if each face has an area of 30 mm2?

A.

90 mm2

B.

160 mm2

C.

60 mm2

D.

120 mm

Verified Answer :

Anonymous Anonymous

09-02-2015

The answer must be \(120\quad m{ m }^{ 2 }\) since the triangular pyramid has 4 faces and each has an area of 30 \(m{ m }^{ 2 }\) we should multiply that by 4 , so :

\(4\cdot 30\quad m{ m }^{ 2 }=\quad 120\quad m{ m }^{ 2 }\)

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ytrenpaisenpai ytrenpaisenpai

20-05-2020

Answer:

120 i think

Step-by-step explanation:

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