Answer:
Area: 7.5 meters
Perimeter: 23 meters
Explanation:
Perimeter: right angles make both sides 5m, so 5+5+5+8=23
Area: Find total shape; 8*5=40, then substract the triangle that it forms hyp:5,base:3 (8-3),height (side) =5
Area of triangle: 1/2bh = 1/2 * 3 * 5 =15/2=7.5 m