If m∠2 = 23° and m∠3 = 68°, what is m∠1

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2