Question

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Problem 1 Find the area of the shaded region in each figure below.
(1)
(2)
(3)
(4)
S=4x10x100 -
+10×10
5 cm
25 T-50 TY
= 50-100g+
w
1 cm
67² +6cm²
3 cm
a
W
5 cm
S: 100 - 2571 cm²
Problem 2 Find the perimeter of the shaded region in each figure below.
(1)
(3)
1 cm
5=4x2=8cm ³²
(6)
OO
2 cm
16-4π cm²
1 cm
1 cm
2 cm