Question

plz solve this question ​

Answer 1

Step-by-step explanation:

r

2

=x

2

+(5)

2

also, r

2

=(17−x)

2

+(12)

2

So, x

2

+(5)

2

=(17−x)

2

+(12)

2

x

2

+25=(17−x)

2

+144

⇒x=12

∴r

2

=144+25=169

⇒r=13cm