1
AP EAPCET 2021 - 19th August Morning Shift
+1
-0

In a $$\Delta ABC$$, if a = 3, b = 4 and $$\sin A=\frac{3}{4}$$, then $$\angle CBA$$ is equal to

A
60$$\Upsilon$$
B
75$$\Upsilon$$
C
90$$\Upsilon$$
D
45$$\Upsilon$$
2
AP EAPCET 2021 - 19th August Morning Shift
+1
-0

In $$\Delta ABC,A=75\Upsilon$$ and $$B=45\Upsilon$$, then the value of $$b+c\sqrt2$$ is equal to

A
a
B
3a
C
2a
D
4a
3
AP EAPCET 2021 - 19th August Morning Shift
+1
-0

In $$\triangle A B C$$, suppose the radius of the circle opposite to an $$\angle A$$ is denoted by $$r_1$$, similarly $$r_2 \leftrightarrow \angle B$$ and $$r_3 \leftrightarrow \angle C$$. If $$r$$ is the radius of inscribed circle, then, what is the value of $$\frac{a b-r_1 r_2}{r_3}$$ is equal to

A
$$r_1 r_2 r_3$$
B
$$r$$
C
$$r_1 r_2 \frac{r_3}{2}$$
D
$$\frac{r}{2}$$
4
AP EAPCET 2021 - 19th August Morning Shift
+1
-0

If D, E and F are respectively mid-points of AB, AC and BC in $$\Delta ABC$$, then BE + AF is equal to

A
DC
B
$$\frac{3}{2}$$BF
C
$$\frac{1}{2}$$BF
D
$$\frac{1}{2}$$DC
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