![Area= \frac{1}{2}\cdot c\cdot b\cdot sin \alpha \\\\------------------\\\\A= \frac{1}{2}\cdot 40\cdot20\cdot sin48^0\approx400\cdot0.7431=297.24\ [m^2]\\\\Ans.\ Area\ is\ about\ 297.24\ [m^2]](/tpl/images/0183/0543/78c41.png)
Find the area of a triangle given that
c=40m
b=20m
a=48°...
Mathematics, 20.08.2019 23:30, kprincess16r
Find the area of a triangle given that
c=40m
b=20m
a=48°
Answers: 3
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