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3. The area of rectangle ABCD is 54 cm2. Find the area of the shaded section.
9 cm 3 cm A
B
9 cm
C D
15 cm
cm2
4. ABCD and EFGH are identical squares. The area of triangle CGH is 10 cm2.
What is the area of the shaded section?
AD
H
BG CE
F
cm2
3. The area of rectangle ABCD is 54 cm2. Find the area of the shaded section.
9 cm 3 cm A
B
9 cm
C D
15 cm
cm2
4. ABCD and EFGH are identical squares. The area of triangle CGH is 10 cm2.
What is the area of the shaded section?
AD
H
BG CE
F
cm2
