Answer:
567
Step-by-step explanation:
SEPERATE THE PICTURES IN TWO PARTS
A = a square add a trapezoid
= 18 × 18 + ( 19 + 18 )× 18 ÷ 2
= 324 + 27 × 18 ÷ 2
= 324 + 486 ÷ 2 = 324 + 243
= 567
A = 567 square inches
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Answers & Comments
Answer:
567
Step-by-step explanation:
SEPERATE THE PICTURES IN TWO PARTS
A = a square add a trapezoid
= 18 × 18 + ( 19 + 18 )× 18 ÷ 2
= 324 + 27 × 18 ÷ 2
= 324 + 486 ÷ 2 = 324 + 243
= 567
A = 567 square inches