4. If the measures of the angles of a quadrilateral have the ratio 6:7:8:9, find the measure of the smallest angle.

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.

the answer is: -22 also a

hope i

-lavira: )