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  • What is the area of ( riangle)PQR whose p = 12 cm, r = 15 cm and  (measuredangle)PQR = 65° (sin 65° = 0.906)

    81.56 cm2
    82.56 cm2
    80.56 cm2
    83.56 cm2
  • In ( riangle)ABC, the sides a = 4 cm, b = 6 cm and (angle)C = 60°. Find the area of ( riangle)ABC.

    6(sqrt{4})
    6(sqrt{5})
    none
    6(sqrt{3})
  • What is the formulae of area of triangle, if base and height of a triangle is given?

    Area of ( riangle) = (frac{1}{2}) (b×h)
    Area of ( riangle) = (frac{1}{3}) (b×h)
    Area of ( riangle) = (frac{1}{}) (p×h)
    Area of ( riangle) = (frac{1}{2}) (p×h)
  • What is the formulae of area of triangle, if three sides of triangle is given?

    both
    none
    (sqrt{(s-a) (s-b) (s-c)})
    (sqrt{s(s-a) (s-b) (s-c)})
  • What is the formulae of the semiperimeter of the triangle?

    none
    (frac{a+b+d}{2})
    (frac{a+b+c}{2})
    (frac{a+d+c}{2})
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