Hey guys! a friend and I are confused and could really use the help. could you explain why? thanks!

Answers:

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Explanation:

The first dropdown box is "substitution" because we are replacing, aka substituting, the with . This replacement is valid because we are given that . They are congruent angles.

The second dropdown box is "definition of perpendicular". If we have a 90 degree angle like this, then the two lines are considered perpendicular simply by definition.

me! what did you put for this question?

step-by-step explanation:

hello, sorry being so rude after all that fighting i found it kind of funny, so as me saying sorry here is an answer!

since the table showed her that   2km = 2000m.

to determine, how many km in 2000m, she would divide by 1000.

= 2000 / 1000 = 2 km.

similarly, for 8000m = 8000 / 1000 = 8 km

cheers to savings

~

your pal papaguy