In the adjoining figure all measurements are in centimetres. If AD is perpendicular to BC find the length of AB?
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Answer:
AB = 17 cm
Step-by-step explanation:
DC = √(625 - 225)
DC = 20 cm
∴BD = 28 - 20 = 8 cm
AB = √(225 + 64)
AB = 17 cm
Hope it helps :)
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