Can someone help me :(

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

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?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42