Question

Find the total area of 14 squares whose rides are
24 cm cerpectively.
18 cm,
Il Cm​

Answer 1

Step-by-step explanation:

Total area of 14 squares

=11

2

+12

2

+13

2

+....+24

2

=(1

2

+2

2

+...+24

2

)−(1

2

+2

2

+...+10

2

)

=∑n

2

=

6

n(n+1)(2n+1)

=

6

24×25×49

−

6

10×11×21

=4900−385=4515

Answer 2

Answer:

I think we should add the numbers

Step-by-step explanation:

sorry