Need Help Find the perimeter of the shaded figure.

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old