Classify the angle in exercise 3 as acute, right, or obtuse.

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m