In the adjoining figure, ∆ABC is right angled at A, BC = 7.5 cm and AB = 4.5 cm. If the area of quad. ABCD is 30 cm² and DL is the altitude of ∆DAC, calculate the length DL.
Answer must be 5.5 cm.
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Answer:
- Answer =11cm.
Step-by-step explanation:
answer =11cm
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