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In an obtuse ΔABC(∠B is obtuse), AD is perpendicular to CB produced.

+1 vote

asked Mar 20, 2019 in Class 10 by kratos

In an obtuse ΔABC(∠B is obtuse), AD is perpendicular to CB produced. Then prove that AC2 = AB2 + BC2 + 2BC × BD

cbse
class-10
class-7
triangles
congruent triangles

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1 Answer

+4 votes

answered Apr 28, 2020 by kratos

Best answer

Given : In ΔABC, ∠B is obtuse angle.

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