1.          complete the paragraph proof given:   ∠a and ∠b are complementary, and ∠b and ∠c are complementary prove:     ∠a ≌ ∠cby definition of complementary angles, m∠a + = 90° and m∠b + m∠c+ then, m∠a + m∠b = m∠b + m∠c by the subtract m∠b from each side. you get = m∠c or ≅ ∠c

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?