Answer:
215 cm²
Explanation:
Area of rectangle= length ×breadth
Area of triangle= ½ ×base ×height
Base of triangle= 17 -10= 7cm
Height of triangle= 18 -8= 10cm
Area of figure
= area of rectangle +area of triangle
= 18(10) +½(7)(10)
= 180 + 35
= 215 cm²