Pt A: classify the relationship between ∠7 and ∠8 created by the intersection of lines C and D. Pt B: Use complete sentences to explain how the special angles created by the intersection of lines C and D can be used to solve for y.
Pt C: Solve for y and find the measures of ∠7 and ∠8

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

Find the arc length of the semicircle. 7the grade

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.