kiki1718
27.11.2021 •
Mathematics
In the following figure, AB is perpendicular to BD and BC, the area of ∆ABC is 30 cm 2 and the area of ∆ABD is 110 cm 2. If the length of BC is 6 cm, then what is the length of CD?
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Ответ:
EF = 8
Step-by-step explanation:
BC is half of AB, which means that DE will be half of EF. So if DE is 4, which is half of EF, then EF must be 8.
hope this helped! :)