18 ÷ {[(7 × 2) − (26 ÷ 2)] + 1} =
2 answers:
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Answer:
4, It is the height of triangle ABC
Step-by-step explanation:
The easy way is to just count. But you can also use the Pythagorean theorem because BDC is a right triangle. First, use the distance formula to find BC. =5
5^2=BD^2+DC^2
25=BD^2+9
BD=4
Heres the answer hope it helps
