Let ABCD be a || gm in which DL ⊥ AB and BM ⊥ AD such that AD = 6 cm, BM = 10 and DL = 8 cm. Find AB.

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Solution

We have ar(∣∣gm ABCD) = base × corresponding height
⇒ AB × DL = AD × BM
⇒ AB × 8 = 6 × 10
⇒ AB = 60 ÷ 8 = 7.5 cm
∴ AB = 7.5 cm

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Let ABCD be a || gm in which DL ⊥ AB and BM ⊥ AD such that AD = 6 cm, BM = 10 and DL = 8 cm. Find AB.

We have ar(∣​∣gm ABCD) = base × corresponding height ⇒ AB × DL = AD × BM ⇒ AB × 8 = 6 × 10 ⇒ AB = 60 ÷ 8 = 7.5 cm ∴ AB = 7.5 cm

We have ar(∣∣gm ABCD) = base × corresponding height
⇒ AB × DL = AD × BM
⇒ AB × 8 = 6 × 10
⇒ AB = 60 ÷ 8 = 7.5 cm
∴ AB = 7.5 cm