If r=5(12,80) what the given radius and center

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7