Sewanhaka High School Math 8 Class:________________ Name:___________________________ Mrs. Lidowsky, Principal Mr. Long, Teacher Date:_____________________ Directions: Answer the following questions. Show work where necessary. 1) 50° comp: 2) 69° comp: 3) 25° comp: 4) <ABD is a right angle. Find the m<ABC and m<CBD. A C x 2x + 30 B D For exercises 5 and 6, solve each problem algebraically using an equation: 5) Find the number of degrees in an angle that measures 8° less than its complement. 6) Two angles are complementary. One angle is twice as large as the other. Find the number of degrees in each angle. 7) The length of a rectangle is three times its width. The perimeter of the rectangle is 24 in. Find the dimensions of the rectangle. ANSWER for 7:____ _________________________ 8) Find the area of the previous rectangle. ANSWER for 8:____ ________________ 9) Evaluate 2a 5 + (n – 1)d when a = 40, n = 10, and d = 3. ANSWER for 9:_____ _______________