(based on the midsegment theorem, DE is half the length of the third side, BC)
(midsegment theorem)
(substitution)
1) IF DE = 9, find BC
2) if m<ADE = 80, then find m< ABC
3) If DE = 2x + 7 , and BC = 7x...
Mathematics, 22.11.2020 22:30 janea01
1) IF DE = 9, find BC
2) if m<ADE = 80, then find m< ABC
3) If DE = 2x + 7 , and BC = 7x - 1, find BC
Answers: 2
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