Find the area of the semicircle. Round your answer to the nearest whole number, if necessary.
40 cm
Área: about?

Pls . yet

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4