In a triangle ABC , AC = 20 cm and BC = 10 cm . If area of triangle is 80 cm ?, then find the length of AB :
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Answer:
Step-by-step explanation:
ac+bc+ab=80
=>20+10+ab=80
=>30+ab =80
=> ab =80-30
=> ab =50 Therefore,ab=50
Verification,
ac+bc+ab=80
=>20+10+50=80
=> 30+50 =80
=> 80 =80
HENCE VERIFIED
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