27. 110.5%
28. I can’t figure out.
29. 20%
139 is suppose to be 140 and 18 is suppose to be 20, 140 x 20 = 2800
Home this works
Each of the triangles are equal in base length, height, and area. Remember the formula for the area of a triangle. The area of any triangle is 1/2 times the length of the base (which, in the polygon, is the length of a side) multiplied by the height (which is the same as the apothem in regular polygon)
Answer:
find the square of both numbers
13²=169
5²=25
minus the square
169-25 to get 144
find the square root of 144
✓144=12 the third side is 12
