How do you calculate the sum of all internal angles of a regular polygon?

Use the formula (n-2)*180 where n is the number of sides on the polygon.

BC
Answered by Ben C. Maths tutor

3374 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How would you factorise x^2 + 4x + 4


Solve 5x^2 = 10x + 4 Give your answers to 2 decimal places. [4 marks]


There are only red , blue and purple counters in a bag. The ratio of the number of red counters to the number of blue counters is 3 : 17. If a counter is taken randomly the probability that it is purple is 0.2 Work out the probability for it to be red.


What is the area of a circle with a diameter of 3cm? (To 2 d.p.)


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning