3.9cm
12.6cm
25.2cm
38.4cm
124.5cm
Correct answer is B
44 = 200/360 x 2 x 22/7 x r
r = 360 x 7 x 44/200 x 2 x 22
= 12.6cm
For what value of y is the expression y+2y2−3y−10 undefined?...
Find the quadratic equation whose roots are 3 and 23....
Solve the logarithmic equation: log2(6−x)=3−log2x...
Write the name of a triangle with the vertices (1, -3), (6, 2) and (0,4)? ...
Solve the simultaneous linear equations: 2x + 5y = 11, 7x + 4y = 2...
Calculate the perimeter of the trapezium PQRS...
What is the positive difference between the squares of 2.5 and 2.1 to 1 significant figures? ...