Question

answer this question plz ​

Answer 1

Answer:

|_BAC=65° and |_BDC=50°

Step-by-step explanation:

Given:-

|_BOC=130°

In quadrilateral BOCD,

|_BOC+|_BDC=180° {Sum of opposite |_s of a quadrilateral is 180°}

=>139°+|_BDC=180°

=>|<BDC=180°-130°

Therefore, |_BDC=50°

Since,

|_BOC=130°

So,

|_BAC=65° {|_s subtended by chords to the radius of the circle concerning the centre of the circle is always half.)

Therefore,

|_BAC=65°

Answer 2

The disc and the tube of the stethoscope amplify small sounds such as the sound of a patient's lungs, heart and other sounds inside the body, making them sound louder. The amplified sounds travel up the stethoscope's tube to the earpieces that the doctor listens through.

Sorry agar mene abhi jo bola woh apako bura laga toh..so sorry..

btw u r intro..??