Can someone please help me with number 2

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked May 25, 2019 60.2k views

2 votes

Can someone please help me with number 2

Mathematics
high-school

SGD asked

by SGD

6.7k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

3 votes

We need to use the formula:

(n-2) x 180 = sum of interior angles

where n is the number of sides.

So,

(n-2) x 180 = 1620
n - 2 = 1620 ÷ 180
n - 2 = 9
n = 9 + 2
n = 11

It has 11 sides!

Vaclav Pech answered May 29, 2019

by Vaclav Pech

6.4k points

0 Comments

Please log in or register to add a comment.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.6m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions