a triangular poster is 3 times as long as its height. The coaster has an area of 24 in. What are the dimensions of the poster?

7

Step-by-step explanation:

I got this from timing 24*3 and you may ask how do u times it together well first start off with 4*3 and u get 12 then times 3*2 and u get 6 + 1 more u get 7 so that's how I got 72 for answer