WILL GIVE CROWN..........Area of triangle PQR = 10.2 square units Area of triangle PRS = 11.5 square units Area of triangle PST
= 16.3 square units A polygon PQRST is shown. The vertices P and R are joined with a dashed line, and the vertices P and S are joined with a dashed line. The area of Figure PQRST is ______ square units. (Input whole number only.)
Since he bought a few of each length. The only combination that works is when he bought 5 of the 4 ft long board so 4×5=20. Than he bought 3 of the 5ft boards 3×5=15. 20+15=35 ft worth of boards.
