JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

The angles A, B and C of a triangle ABC are in A.P. and $a : b = 1 : 3. i f c = 4$ cm, then the area (in sq.cm) of this triangle is :

A
$\frac{2}{3}$
B
$43$
C
$23$
D
$\frac{4}{3}$

Solution

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