Question

answer is already here . i want solution on page plzzz .. ​

Answer 1

See solution in image with diagram ..

$\huge\underline\mathfrak\green{Hope\:it\:Helps\:You}$

Answer 2

$\huge\tt{AnsweR}$

$\sf RM = \sqrt{20 {}^{2} - 12 {}^{2} } = 16 \: cm \\ \sf RS = \frac{12 \times 16}{20} = 9.6 \: cm \\ \sf OS = \sqrt{(10) {}^{2} - (9.6) {}^{2} } \\ \sf = \sqrt{(10 + 9.6) \times (10 - 9.6)} \\ \sf = \sqrt{19.6 \times 0.4} = 2.8 \: cm$

Look the attachment for the diagram.