Question

UNWANTED ANSWERS WILL BE REPORTED

Answer 1

Answer:

1. (a) 25

(b) 81

(c) 121

(d)324

2.

${15}^{2} = 225$

3. (a)64 +16=80

(b) 81+9=90

(c) 36+64=100

4.(a) Yes , all are correct.

(b).

${7 }^{2} - {5}^{2} = 2 \times 12$

${8}^{2} - {6}^{2} = 2 \times 14$

${9}^{2} - {7}^{2} = 2 \times 16$

(c)

${51}^{2} - {49}^{2} = 2 \times 100$

5. The two square numbers are 81 and 100.

Answer 2

Step-by-step explanation:

1.

a. 25= 5×5

b.81= 9×9

c. 121 =11×11

d.324 = 18×18

2.

The square number which is between 200 and 250 is 225 ( 15²)

3.

a. 80 = 8²+4²

b. 90 = 9² + 3²

c. 100 = 8² + 6²

4.

a. All are correct

b.

7²- 5² = 24 = 2×12

8²-6² = 28 = 2×14

c. 51²-49² = 2×100

5.

between two square number is 19

the two square number are

10 and 9.

i.e 10² - 9²

=> 100 -81

=> 19

6.

The sum of two square number is 15²

the two square number are

9 and 12

=>9²+12²

=>81+144

=>225