19. During recess, Gretchen walked around the perimeter of the playground. When she got home, she drew a sketch of the playground to help her determine how far she walked during recess. What is the perimeter of the playground? 38 m 12 m. A50m C62m В88m D100m ​

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°

The product of (7x-2) and (20-3x)/4. when x=4