64
what is the length of the mid-segm
-segment de?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Three times the sum of a number and seven is negative thirty-six. what is the number?

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.