Question

@charlotte123

Answer 1

The surface area of a triangular pyramid is 408 m2. If all the faces of the pyramid are congruent, what is the area of one face of this pyramid?

A.
51 m2

B.
68 m2

C.
102 m2

D.
136 m2

Answer 2

How many faces are there on a triangular pyramid?

Answer 3

3

Answer 4

http://www.k6-geometric-shapes.com/image-files/pyramid-triangular.jpg sure?

Answer 5

including the bottom

Answer 6

So how many faces? 3 or 4?

Answer 7

4

Answer 8

There is 4 faces, and the area of all 4 faces added together is 408 .

How could you find the area of one face?

Answer 9

multiplying

Answer 10

If you had 8 pieces of pizza, and you and three other friends are eating it, how many pieces do you each get?

Answer 11

B am i right

Answer 12

so i am i agent

Answer 13

"If you had 8 pieces of pizza, and you and three other friends are eating it, how many pieces do you each get?"

Answer 14

^that is the same type of problem as yours, with different numbers.

Answer 15

"B am i right" show me how you decided on B.

Answer 16

just a guess

Answer 17

lol.

Answer 18

I am not joking :D

Answer 19

This is a really easy question, there's no need to guess.

"If you had 8 pieces of pizza, and you and three other friends are eating it, how many pieces do you each get?"

^ if you can solve this, you can solve your question.

Answer 20

5

Answer 21

Think about that for a second. If you have 8 pizzas of pizza total, and each of you eats 5 pieces...

Answer 22

How did you come up with 5?

Answer 23

i subtract

Answer 24

Think about It - YOU AND THREE friends ----> Which means there are 4 people :) You have 8 slices of Pizza - And you need to divide It between you and your friends. So - Each person would get _ slices of Pizza @angelv00

Answer 25

@angelv00 Think again :) You are not subtracting or adding - Hint Hint

Answer 26

multiply

Answer 27

@angelv00 Nope - You divide!

Answer 28

You are DIVIDING the Pizza among you and your friends :) @angelv00

Answer 29

@angelv00 Think what happens if you eat five pieces.

There's only 3 left, since you started with 8.

3 pieces left, and 3 friends who haven't eaten any.

That should tell you that you've made a mistake.

Answer 30

^ Exactly!