name the shapes of a the lateral faces of a regular pyramid?

Question

alyssa_marie_gunn1 · Answer

I have another qusetion

directrix · Answer

Here is an image of one type of regular pyramid. The lateral faces have what geometric shape?

directrix · Answer

@Alyssa_Marie_Gunn1  ^^^^

directrix · Answer

Think about the sides (faces) of the Egyptian pyramids.

alyssa_marie_gunn1 · Answer

yeah i got the answer but i have another question

directrix · Answer

What did you get for the answer to the first question? Then, post the second one.

alyssa_marie_gunn1 · Answer

i got isosceles triangle

directrix · Answer

That is correct.

What is the next question?

alyssa_marie_gunn1 · Answer

Each edge of a regular tetrahedron is 12 in.

a.
Calculate its lateral area.

b.
What is its surface area?

directrix · Answer

The regular tetrahedron has a total of 4 faces. All four faces are congruent triangles.

alyssa_marie_gunn1 · Answer

but how does that help me figure it out

directrix · Answer

A regular tetrahedron has faces that are equilateral triangles.

To get the Lateral Area, find the area of an equilateral triangle of side 12 and multiply by 3.

directrix · Answer

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