Which pair of angles are congruent?

a)
1 and 8

b)
4 and 6

c)
5 and 6

d)
1 and 7
my answer is 4 and 6 tell me if i am wrong or right.

What situation is an example of an observational study

What is the first step of an indirect proof of a number that is divisible by two

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field