1
KCET 2024
MCQ (Single Correct Answer)
+1
-0

If in two circles, arcs of the same length subtend angles $30^{\circ}$ and $78^{\circ}$ at the centre, then the ratio of their radii is

A
$\frac{5}{13}$
B
$\frac{13}{5}$
C
$\frac{13}{4}$
D
$\frac{4}{13}$
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The maximum area of a rectangle inscribed in the circle $(x+1)^2+(y-3)^2=64$ is
A
64 sq units
B
72 sq units
C
128 sq units
D
8 sq units
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