mohon bantuan nya ka secepat nya soal no . 25, 26, 27, 28, 29, 30, 31, 32, 33 dan abcd ada di foto terimakasih

25. *jktp = jarak titik pusat
* gsp2l = garis singgung persekutuan 2 lingkaran
* [ ] = akar (maaf karena gk ada tanda akar di keyboard gue
Dik . Gsp2l = 12
Jktp =13
r =2
R = ?
(R-r) = [ jktp - gsp2l ]
(R - 2) = [ 13²-12²]
(R- 2) = [ 169-144]
(R-2) =[25]
R = 5+2 =7