What is 9,765 divide by 155

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?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Find the area of the unshaded square