Exercise 1: Let DABC square at A, D lies between B and C. Draw the points E, F such that AB, AC are the perpendicular bisectors of DE, DF, respectively. a) Prove that E, A, F are collinear.
Hint: Use the angle addition method.
Prove Â1 + Â2 + Â3 + Â4 = 180degrees
b) Prove DE ^ DF
c) Prove BE // CF help me please

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Write an algebraic expression for the word expression the quotient of c and 8

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take