ABCD is a square. Length of one diagonal is 5cm. a) What is the length of AB b) Find the perimeter of ABCD c) Find the area of ABCD
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9
Answer:
a) AB = 5 cm
b) perimeter of square is 4a
= 4(5)
20 cm
c) area of square is side×side
= 5×5
25 cm²
(sides of a square are equal)
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Answered by
1
Answer:
(a) length of ab is 5cm
(b) perimetre is 20cm
(c) area is 25cm
Step-by-step explanation:
(a) Length of diagonal is equal to length of side of square according to property of square
(b) perimetre of Square = 4l
=4×5 = 20 cm
(c) Area of Square = s²
= 5²
=25 cm
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