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Find the squares of the following numbers
i)25 30 m)12
Find how many non-square number lie between the following pair of numbers
i)100 and 121
ü8 and 92 m]30 and312
Find the square root of the following numbers by repeated subtraction method
i) 9 m)121 m)225 iv)196
Find the square root by prime factorisation
i) 64 ü)289 m)36 iv)1764
Can a right triangle with sides 6cm, 8cm and 10cm be formed, give reason.
Find the smallest number by which 147 must be multiplied so that it becomes a perfect square.
Also, find the square root of the number so obtained.
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Answers
Answer:
10 answer
Step-by-step explanation:
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Answer:
Q.1 Find the square root of the following numbers.
1. 25 - 5 square root
2. 30 - 5.47722557505 square root
3. 12- 3.46410161514
Q.2 find how many non square number lie between the foll pair of number.
Ans: 1.There are 20 non square number between the foll pair.
3. There are 30 non square number between the foll pair.
Q.3 Find the square root of the following numbers.
1. 105 - 9 = 96
2.121 - 1 = 120
3. 225 - 1 = 224
4. 196 - 1 = 195
Q.4 Find the square root by the prime factarization numbers
1. 64 = 8
2.289 = 17
3.39 = 1521 = 13 × 13 square root of
1521 = 39 root 1521 = 39
4.1764 =2 × 2 × 3 × 3 × 7 × 7
= 2 × 3 × 7
= 42.
Q. 5 Can a traingle with 6 cm, 8 cm and 10 cm can fromed. Give reason.
Ans: The sum of the two smaller sides is always equal to the square of longer side.
Given,
smaller side = 6 cm and 8 cm
longer sides = 10cm
According to the the rule
(10)square = (6)square + (8)square
100 = 36 + 84
100 = 100
Hence, L.H.S = R.H.S.
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