Unit 6 Exam Warm Up

What is the formula to finding the area of a triangle?

• base + height
• base * height
• 1/2 (base ) * (height)

• base - height

What is the formula for finding the area of a square?

• side * side

• side * 4

• side divided by 2

• side divided 4

What is the formula for finding the area of a circle?

• A = 0.5πr
• A = 2πr
• A = πr^2
• A = r^2

10mm in the following image can be described as:

• Radius

• Diamater

• Height

• Area

When finding the area of the following triangle, what can we do to find the height of the triangle?

• Use 3.2 mm

• Use 2.1mm

• Use Pythagorean Theorem to find Height

• Add 3.2 mm + 2.1 mm

What is the area of only the outside shape in the following image?

• 10cm

• 4cm

• 8cm

• 16cm