Question

inding area using congruent rectangles
rectangle abcd is congruent to rectangle hgjk. what is the area of rectangle abcd?
18 in.
11 in.
square inches

Explanation:

Step1: Recall the property of congruent rectangles

Congruent rectangles have equal corresponding side lengths and equal areas. So, the length and width of rectangle \(ABCD\) are \(18\) inches and \(11\) inches respectively.

Step2: Use the formula for the area of a rectangle

The formula for the area of a rectangle is \(A = l\times w\), where \(l\) is the length and \(w\) is the width. Substitute \(l = 18\) and \(w=11\) into the formula: \(A=18\times11\).

Step3: Calculate the product

\(18\times11=(10 + 8)\times11=10\times11+8\times11=110 + 88 = 198\)

Answer:

\(198\)