Question

How to find the area of this triangle??
I feel like it's easy but I just don't get it!!! HELP!!

Answer 1

You going to need to use pythagorean theorem to find height.

Answer 2

\[a ^{2} + b ^{2} = c ^{2}\]

Answer 3

\[12^{2} + b ^{2} = 20^{2}\]

Answer 4

Yep ^

Answer 5

Ohh okay! That makes sense!

Answer 6

Can you figure it out? Or do you need me to guide you?

Answer 7

Would B be 16?

Answer 8

Yep

Answer 9

Good job (:

Answer 10

So now you have \(h=16\) and \(b = 24\), you can find area of triangle using \(A = \dfrac{1}{2}bh\)

Answer 11

Haha my sister yellede it from across the room.

Answer 12

Ohhh that makes sense @geerky42

Answer 13

*yelled

Answer 14

Wait @geerky42 where does the 24 come from?

Answer 15

across the bottom

Answer 16

12+12

Answer 17

the line divides the bottom into two sections, so you would have to add them together

Answer 18

Ohhhhhh yeah!

Answer 19

LOL im so stupid sometimes

Answer 20

Would the area be 192?

Answer 21

Yes it would (:

Answer 22

Yay! Thank you! Can you help with one more small word problem?

Answer 23

I can try!

Answer 24

Thanks!
An equilateral triangle has a perimeter of 66 m and a height of 19.1 m. What is its area?

Answer 25

idk on that one.. sorry

Answer 26

It's okay! Thank you anyways!

Answer 27

Your welcome (: