Radius Problem #4

rad

Advertisements

11 thoughts on “Radius Problem #4

  1. 13.5 is correct,before that I thought the diameter is 6,after chalking again I red the radius is 6

    • I think its because where the circles touch, they share a common tangent. The normal to this tangent would pass through the centre of each circle (as a radius and tangent meet at 90°).

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s