3.5 - Working with Formulas

Find the area of a triangle with a base of 10 centimeters and a height of 5 centimeters.

• 80 feet

• 78 feet

• 40 feet

• 20 feet

Find the degrees Celsius for a temperature of 80 degrees Fahrenheit.

• 140 meters

• 15 meters

• 65 meters

• 70 meters

Find the area of a circle with a radius of 4 yards

Find the width of a rectangle with a perimeter of 16 feet and a length of 5 feet.

• 6 feet

• 3 feet

• 3.2 feet

• 42 feet

Find the distance traveled with a rate (speed) of 50 mph for a time of 4 hours.

• 54 miles

• 200 miles

• 12.5 miles

• 46 miles

• 6 inches

• 12 inches

• 18 inches

• 3 inches

Find the circumference of a circle with a radius of 10 feet.

• 31.4 feet

• 62.8 feet

• 314 feet

• 20 feet

Find the perimeter of a rectangle with a length of 13 feet and a width of 4 feet.

• 42 feet

• 17 feet

• 34 feet

• 30 feet