8.74cm
38.2cm
61.2cm
76.4cm
Correct answer is B
Length of arc = \(\frac{\theta}{360} \times 2\pi r\)
\(50 = \frac{75}{360} \times 2 \times \frac{22}{7} \times r\)
\(r = \frac{50 \times 360 \times 7}{75 \times 2 \times 22}\)
\(r = \frac{420}{11}\)
= 38.18 cm \(\approxeq\) 38.2 cm (3 sig. figs)
This table below gives the scores of a group of students in a Further Mathematics Test. Score...
Given that Z = {1,2,4,5} what is the power of set Z? ...
In the diagram above, /PQ/ = /PS/ and /QR/ = /SR/. Which of the following is/are true? i. The lin...
If P = \(\begin{pmatrix} 2 & -3 \\ 1 & 1 \end{pmatrix}\) , what is P\(^-1\)...
Evaluate \(\int_1 ^2(6x^2-2x)dx\) ...
Simplify 3\(\frac{1}{3}\) - 1\(\frac{1}{4}\) x \(\frac{2}{3}\) + 1\(\frac{2}{5}\)...
Fati buys milk at ₦x per tin sells each at a profit of ₦y. If she sells 10 tins of milk, ho...
Simplify 36\(^\frac{1}{2}\) x 64\(-^\frac{1}{3}\) x 5\(^0\) ...
Find the value of t, if the distance between the points P(–3, –14) and Q(t, –5) is...