Question

two circle touch each other internally distance between their centre is 15 cm . if radius of one circle 20 cm then find radius of other circle​

Answer 1

Answer:

5cm

Step-by-step explanation:

distance between their centers if they touch internally is R1-R2

given R1= 20 cm and D=15CM

so 15=20-R2

R2= 20-15= 5cm

Answer 2

Step-by-step explanation:

The reason Facebook is blue: Zuckerberg is colorblind

According to The New Yorker, Zuckerberg is red-green colorblind, which means the color he can see best is blue. That also happens to be the color that dominates the Facebook website and mobile app. "Blue is the richest color for me," he told the magazine.

so that's why it is in the blue colour

by the way thanks for answering my question