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in triangle ABC AB=10, AC=7 and altitude AD=6...find all values of BC
ANSWER IS √13+8 ALTITUDE MEANS PERPENDICULAR TO BASE IF CORRECT APPROVE PLZZZZZZZZ
ANSWER IS √13+8
ALTITUDE MEANS PERPENDICULAR TO BASE
IF CORRECT APPROVE PLZZZZZZZZ
We have in the triangle, AB=10 AC=7 and AD=6 we know AD is perpendicular to BC consider triangle ABD applying pythagorus theorem, AB2=AD2+BD2 BD2=AB2-AD2 = (10)2-(6)2 =100-36 =64 BD =8(as it cannot be a negative number) now consider triangle ACD applying pythagorus theorem, CD2=AC2-AD2 =(7)2-(6)2 =49-36 =13 CD=√13 therefore BC=BD+CD =8+√13 BEST OF LUCK FOR THE EXAMS..
We have in the triangle, AB=10 AC=7 and AD=6
we know AD is perpendicular to BC
consider triangle ABD
applying pythagorus theorem,
AB2=AD2+BD2
BD2=AB2-AD2
= (10)2-(6)2
=100-36
=64
BD =8(as it cannot be a negative number)
now consider triangle ACD
CD2=AC2-AD2
=(7)2-(6)2
=49-36
=13
CD=√13
therefore BC=BD+CD
=8+√13
BEST OF LUCK FOR THE EXAMS..
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