1. p=3x+3y
a triangle is shown with 3 sides. on two of the sides it shows x+y. so it asks to find the measure of the third side of the triangle. p is the measure of the perimeter. show all work.

2. p=7x+2y
a triangle is shown with 3 sides. on one side, it says 2x+y. on the other, it says 3x-5y.

Solving algebraic equations 2m+3=11

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.