1.

Find the length of the tangent if d = 5 cm and r = 4 cm.(a) 3 cm(b) 4 cm(c) 5 cm(d) 9 cmThe question was asked in a national level competition.This intriguing question comes from Tangent to a Circle in division Circles of Mathematics – Class 10

Answer» RIGHT option is (a) 3 cm

For EXPLANATION I WOULD say: The length of the tangent = \(\sqrt {d^2-r^2}\)

= \(\sqrt {5^2-4^2}\)

= √9

= 3


Discussion

No Comment Found

Related InterviewSolutions