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A circle of radius 4 cm is inscribed in ...

A circle of radius 4 cm is inscribed in AABC, which touches the side BC at D. If BD = 6 cm, DC = 8 cm, then

A

the triangle is necessarily acute angled

B

`"tan"(A)/(2)=(4)/(7)`

C

perimeter of the triangle ABC is 42 cm

D

area of `DeltABC is 84 cm^(2)`

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AAKASH SERIES-PROPERTIES OF TRIANGLES-ADDITIONAL PRACTICE EXERCISE (LEVEL II) (LECTURE SHEET (ADVANCED)) (More than one correct answer Type Questions)
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