how would you solve if you had to solve area of a trapezoid the first side had 4yd then 5yd 9yd and 3 1/2 find the area for 6th grade

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36