Forming Triangles

Find the area:

• 40 yd

• 40 yd²

• 80 yd²

• 18 yd²

Find the area of the triangle pictured.  

• 22.5 cm²

• 45 cm²

• 15.75 cm²

• 31.5 cm²

• 25.9 yd²
• 12.95 yd²
• 6.475 yd²
• 12.95 m²

What shape is this?

• Trapezoid

• Rectangle

• Triangle

• Square

• 108 cm
• 540 cm
• 108 cm²
• 54 cm²

Which would be the best classification for the triangle shown?

• right isosceles

• obtuse scalene

• obtuse isosceles

• right scalene

Solve for x

• 28

• 12

• 10

• 2

Find the measure of <A

• 25

• 65

• 90

• 23

Solve for x.

• -8

• -6

• 7

• -1

Can the sides of a triangle have lengths 3, 8, and 9?

• Yes

• No