Answer: 28 square feet
Explanation: To get the area of a triangle, the formula is base×height×(1/2)
First triangle, you would multiply 4.5 by 5 and multiply that by 1/2. 4.5×5×1/2= 11.25 square feet
Then multiply 6.7×5×1/2 to get the area of the second triangle, which =16.75 square feet
Lastly, add the areas together:
11.25+16.75=28 square feet