1.

`triangleABC` का क्षेत्रफल ज्ञात करे यदि `a = 6` सेमी, `b = 8` सेमी और `C = 30^(@) (a = 6cm, b = 8cm, c = 30^(@))`

Answer» `triangle= (1)/(2) ab sinC = (1)/(2) xx 6xx8 sin30^(@) = (1)/(2)xx6xx8 xx (1)/(2)`
= 12 सेमी`""^(2)`


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