Answer:
width = 20 cm
Step-by-step explanation:
Area of a rectangle formula: Area of a triangle formula :
A = LW A = 1/2(b)(h)
A = 22(w) A = 1/2(10)(11)
A = 22w sq. cm A = 5(11); A =55 sq.cm
The area of the rectangle is 8 times that of the area f the triangle
22w = 8 (55)
22w = 440
w = 20
