The length of each side of an equilateral triangle is increased by 2 inches, so the
perimeter is now 30 inches.
Find the original length of one side of
the triangle.
7th grade math 2 step equation

Triangle knm is what is true about the sides of knm

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?

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.