The circumference of the earth is about 40050 km. which of the following is the closest approximation of the diameter? use 3.14 for π.
a. 6375 km
b. 9450 km
c. 10025 km
d. 12750 km

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x