Question

फाइंड द लेंथ ऑफ द प्रेजेंट फ्रॉम ए प्वाइंट विच इज द डिस्टेंस ऑफ 5 सेंटीमीटर from the center of the circle of radius 3 cm​

Answer 1

Answer:

Step 1 : Draw a circle of radius 5cm with centre O using compass

Step 2 : Using ruler draw a line segment OA of length 13cm

Step 3 ; join A to any point of circle so that the line AB touches the circle.

Step 4 : Measure the length AB

AB

2

+OB

2

=OA

2

AB

2

+5

2

=(13)

2

AB

2

=169−25

AB

2

=144

⇒AB=12cm