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In δAbc, D, E, F Are the Midpoints of Bc, Ca and Ab Respectively. Find De, If Ab = 8 Cm

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Question

In ΔABC, D, E, F are the midpoints of BC, CA and AB respectively. Find DE, if AB = 8 cm

Sum
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Solution


D is the mid-point BC and E is the mid-point of AC.

∴ DE = `(1)/(2)"AB"`      ....(Mid-point Theorem)

= `(1)/(2) xx 8`
= 4 cm.

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Chapter 11: Midpoint and Intercept Theorems - Exercise 15.1

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Frank Mathematics Part 1 [English] Class 9 ICSE
Chapter 11 Midpoint and Intercept Theorems
Exercise 15.1 | Q 3.2
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