Question

I can't find the missing angles.

Answer 1

It is 60 and 60

Answer 2

My textbook says that angle ABC=111 and angle CDE=129

Answer 3

That is the answer but how do i get it?

Answer 4

ABCDE is a pentagon.

Answer 5

A pentagon has 5 sides.
The sum of the measures of the internal angles of a pentagon is
(n - 2)180 = (5 - 2)180 = 3(180) = 540

Answer 6

then the ? on the left is 51 and the ? on the right is 69

Answer 7

math student 55 am i right?

Answer 8

540 - 120 - 60 - 60 - 30 - 30 - 60 - 60 = 120
The sum of the measures of the missing angles is 120.

Answer 9

I don't understand how you would get ? though.