In ∆ABC,√B=√C,√AB=5cmand BC=8cm the perimeter of ∆ABC is ____cm.
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Step-by-step explanation:
given: ANSWER: now,as therefore, AB=AC (SIDES OPPOSITE TO EQUAL ANGLES ARE EQUAL)
therefore,AC=5cm
now, we know all the three sides i.e
8cm,5cm and 5cm
therefore, perimeter=ab+ bc +ac
i.e 8+5+5=18cm
given: ANSWER: now,as therefore, AB=AC (SIDES OPPOSITE TO EQUAL ANGLES ARE EQUAL)
therefore,AC=5cm
now, we know all the three sides i.e
8cm,5cm and 5cm
therefore, perimeter=ab+ bc +ac
i.e 8+5+5=18cm
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