Question

compound shapes
re, round your answer to one decimal place i
2)
18 cm
16 cm
19 cm
16 cm
area: ____________

Explanation:

Step1: Split into two rectangles

One rectangle has sides 18 cm and 19 - 16 = 3 cm, and the other has sides 18+16 = 34 cm and 16 cm.

Step2: Calculate areas of rectangles

First rectangle area: $18\times3=54$ $cm^{2}$, second rectangle area: $34\times16 = 544$ $cm^{2}$.

Step3: Sum the areas

$54 + 544=598.0$ $cm^{2}$

Answer:

$598.0$ $cm^{2}$