In the given figure, mBC =118°, mBE=76°, and m a.) the measure of DE is 48°, and triangle BCD is isosceles.

b.) the measure of DE is 83°, and triangle BCD is isosceles

c.) the measure of DE is 48°, and triangle BCD is not isosceles.

d.) the measure of DE is 83°, and triangle BCD is not isosceles.

Find the area and perimeter of each composite figure. use 3.14 for π. round your answer to the nearest tenth. a square and a right triangle share a common side. image long description a 3-meter by 0.5-meter rectangle has triangles attached like wings to the 3-meter sides. the other two sides of both triangles measure 2.5 meters. the height of each triangle is 2 meters. a 6-inch by 4-inch rectangle has 2 half-circles attached like wings to the 6-inch sides. the radius of each half-circle is 3 inches. find the surface area and volume of each figure. use 3.14 for π. round your answer to the nearest tenth. a right circular cylinder has a base radius of 6 yards and a height of 20 yards. a rectangular prism has a base that is 9 centimeters long and 7 centimeters wide. the height is 2 centimeters. a rectangular prism has a base that measures 11 millimeters by 11 millimeters. the height is 11 millimeters.

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?