Question

Plzz help me in answering these questions.

Answer 1

Step-by-step explanation:

for 7.

you are asked to find the mid value of the fractions,

i.e. the average value of numbers

$\dfrac{\frac{3}{5}+\frac{3}{4}}{2} \\ = \frac{1}{2}\left(\frac{3\times4+4\times5}{5\times4}\right)\\ = \frac{27}{40}$

For the locus problem, it's the Angle bisector of

$\angle ABC$