Coordinate Geometry Perimeter and Area

What are the lengths of the rectangles?

• √17 & √71

• 6 & 3

• √13 & √52

• √15 & √63

What is the perimeter of the rectangle? (Round to the nearest tenth)

• 18

• about 23.6

• about 25.1

• about 21.6

What is the area of the rectangle? (Round to the nearest tenth)

• 18 units²

• 26 units²

• about 30.7 units²

• about 34.7 units²

What are the lengths of the triangle's sides?

• 6, 7, & 8

• 5, 5, & √7

• 5, 5, & √10

• 3, 4, & 5

What is the perimeter of the triangle? (Round to the nearest tenth)

• 12

• about 13.2

• 21

• about 12.6

What is the length of the triangle's base?

• 3

• 4

• 5

• 6

What is the height of the triangle?

• 3

• 4

• 5

• 6

What is the formula for area of a triangle?

• Area = base x height

• Area = ((base1 + base2)/2)(height)

• Area = base²

• Area = 1/2 x base x height

What is the area of the triangle?

• 7.5 units²

• 10 units²

• 12.5 units²

• 15 units²

What is this shape called?

• Trapezoid

• Parallelogram

• Square

• Rectangle