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1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
In $\triangle A B C$, if $B=90^{\circ}$, then $2(r+R)=$
A
$a+b$
B
$b+c$
C
$a+c$
D
0
2
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
In a $\triangle A B C$, if $(a-b)(s-c)=(b-c)(s-a)$, then $r_1+r_3=$
A
$r_2-r_3$
B
$2 r_2$
C
$3 r_2$
D
$3\left(r_1+r_2\right)$
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In $\triangle ABC$, $\cos A + \cos B + \cos C = $
A
$\frac{1 + \sqrt{2}}{R}$
B
$\frac{1}{R}$
C
$\frac{1 + R}{R}$
D
$\frac{1}{\sqrt{R}}$
4
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In a $\triangle A B C$, if $a=26, b=30, \cos c=\frac{63}{65}$, then $c=$
A
2
B
4
C
6
D
8
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