Question

1) Although all the veins carry de oxide blood , however pulmonary vein carries oxygenated blood.pulmonary vein brings the oxygenated blood into the heart from where this blood is sent throughout the body through the arteries . From where does the pulmonary vein bring oxygenated blood ?



2)which one of the following properties is correct about the image ,that is formed ,when an object is placed at a far off distance from a convex mirror?

Options
A. The image is real
B. The image is inverted
C. The image is highly diminished
D.all of these .



3) what is axon ?

4) how many centuries is equal to one millennium ?

5) their are how many chambers in human heart ?

6)define the following
A. Switch
B.myelin
C. Fuse
D.MCB

Don’t answer it from google or else ur answer will be reported and if u answer me correctly I will mark you as brainleist

Answer 1

Answer:

ANSWER

In △ABC

AB, BC and AC touches the circle at the point P, Q and R respectively.

∴ BC+AP=AC+PB

⟹ 13+7=AC+PB

⟹ AC=20−PB

Perimeter of △ABC=AB+BC+AC

=AP+PB+13+20−PB

=7+13+20=40

∴ Perimeter of △ABC is 40 cm.