Q.3 Do any ten sums-
1. A rectangle sheet of paper is 12 cm long and 10 cm wide. Find its perimeter.
2. A cricket scores the following runs in eight innings:
58, 76, 40, 35, 46, 45, 0, 100
find the mean score. (31.(4)
3. Give the steps you will use to separate the variable and then solve the equation : 3n -2= 46
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Answer:
⇒ Length of the rectangle sheet = 12 1 / 2 cm
⇒Breadth of the rectangle sheet = 10 2 / 3 cm
To find :-
⇒Perimeter = ?
Sol ;-
⇒ Perimeter of rectangle = 2 ( l + b )
⇒ { 2 ( 25 / 2 + 32 /3 }
⇒ { 2 ( 75 / 6 + 64 / 6 }
⇒ 2 × 139 / 6
⇒ 139 / 3 = 3 1/46 cm
Therefore the answer is ;- 3 1 /46 cm
Step-by-step explanation:
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