the length of the diagonal of a square is 20 cm .lts area is
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Hey!
Given,
Diagonal of square = 20 cm
We know,
Pythagoras theorem,
H² = P² + B²
(20)² = a² + a²
400 = 2a²
200 = a²
√10².2 = a
10√2 = a
We know,
Area = side²
= (10√2)²
= (10².2)²
= 200 cm²
Given,
Diagonal of square = 20 cm
We know,
Pythagoras theorem,
H² = P² + B²
(20)² = a² + a²
400 = 2a²
200 = a²
√10².2 = a
10√2 = a
We know,
Area = side²
= (10√2)²
= (10².2)²
= 200 cm²
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