The base of an isosceles triangle is 8cm long and each of its equal sides measures 6cm. The area of the triangle is –
We know that,
Area of an isosceles triangle = 
It is given that,
a = 6 cm and b = 8 cm
∴ we have:
= 
= 
= 
= 8
cm2
Hence, option (b) is correct
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