EX = 11.33
Q1
d . in a square , area =81 cm sq , side = ?, perimetere =?
Answers
Answered by
1
Answer:
Area of square = a^2
81 = a^2
a =√81
side = 9cm
perimeter = 4a
= 4*9
= 36 cm
Answered by
3
Given
Area = 81 CM
Find
side = ?
perimeter =?
According to question
Area of square = side × side
81 cm² = (side) ²
side = √81 cm²
side = 9 cm
Perimeter =?
side = 9 cm
Perimeter of square = 4 × side
Perimeter of square = ( 4 × 9 ) cm
= 36 CM
side = 9 CM Perimeter= 36 CM
Hope it helps you
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