Asked by zeebuddy

The sides of a tetrahedron are 4 equilateral triangles. If the base of each triangle is 8cm and its heights 6.9cm, please help me to calculate the surface are of the tetrahedron.

Answers

Answered by MathMate
Area of each triangular face
= (1/2)base*height

Surface area of tetrahedron
= 4*area of each face.
Answered by zeebuddy
thank you
Answered by MathMate
You're welcome!

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