A triangle has an area of 54m2 and a height of 9 m. How long is the base of the triangle? Enter you answer in the box.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it. find the area of the sidewalk.

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2