For a button to fit through its buttonhole the hole needs to be size of the buttons diameter. what size butte hole is needed for a button with a circumference of 7.38 centimeters (use the value of 3.14 to represent pi.) me pleas

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

Write a similarity statement for the similar triangles. afgh ~ a