Question

HELP please medals award! What is the length of the base of a yield sign that has a height of 14in. and has an area of 84 sqaure inches?

Answer 1

Do you know how to find the area of a triangle?

Answer 2

no i do not

Answer 3

Ok, so area of a triangle = 1/2 x b x h.
So substituting in the values given, area = 84 and h = 14, what do we get?

Answer 4

84= 1/2*b*14 ??

Answer 5

Yes, that correct! Now solving for b = ?

Answer 6

how would u solve for b ?

Answer 7

By putting on one side of the equation like this: 84= 1/2*b*14
(84x2)/14 = b
now b = ?

Answer 8

12

Answer 9

Yep, that's correct, and thats the length of the base!

Answer 10

it says its wrong

Answer 11

?

Answer 12

Hmm. Your yield signs are triangular, right? The ones in my country are, so I was just assuming yours are too.

Answer 13

yes

Answer 14

i dont think we did something right

Answer 15

I mean i think