Question

plz tell answer correctly​

Answer 1

Answer:

: Formula= 2×180

1. 7 = (7-2)×180 = 5×180 = 900.
2. 8 = (8-2)×180 = 6×180 = 1080.
3. 10= (10-2)×180 = 8×180= 1440.
4. This makes a formula (n-2)×180.

Answers of figure given above :

1. (3-2)×180=1×180=180.
2. (4-2)×180=2×180= 360.
3. (5-2)×180= 3×180= 540.
4. (6-2)×180= 4×180= 720.

I hope it will help you and stay happy, safe and healthy. thank you.

Answer 2

Interior angle sum of a convex polygon if it has n sides:

(n - 2) *180 degrees

(a) 7

Using the equation given above:

(7 - 2) *180 degrees

= 5*180

= 900 degrees

(b) 8

(8 - 2) *180 degrees

= 6*180

= 1080 degrees

(c) 10

(10 - 2) *180 degrees

= 8*180

= 1440 degrees

(d) n

(n - 2) *180 degrees

= n - 2 *180

= n - 360 degrees

Hope this helps you