Question

10. Find the Missing Length: Perimeter
of the shape = 63cm *
АB=20cm
AD=15cm
BC=10cm
DC=?
O 20cm
O 18cm
O 24cm​
pls help me I will mark u as brainlist

Answer 1

Answer:

PERIMETER OF ANY FIGURE = SUM OF ALL SIDES OF GIVEN FIGURE

Step-by-step explanation:

LET FIGURE HAVE CONTAIN SIDE ABCD

PERIMETER OF ABCD = AB + BC + CD + AD

63 cm = 20 + 10 + CD + 15

63 cm = CD + 45

63 - 45. = CD

→. CD = 63 - 45

→. CD = 18 cm

so option B is right

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