ACT MATH

Isosceles Triangle

• One 90º Angle

• No Equal Sides

• Two Equal Sides

• All Equal Sides

Tags

CCSS.HSG.CO.B.8

CCSS.HSG.CO.C.10

Scalene Triangle

• No Equal Sides

• Two Equal Sides

• All Equal Sides

• One 90º Angle

Tags

CCSS.7.G.A.2

Right Triangle

• No Equal Sides

• Two Equal Sides

• All Equal Sides

• One 90º Angle

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Acute Angle

• Over 90º

• Under 90º

• 90º

Tags

CCSS.7.G.B.5

Obtuse Angle

• Over 90º

• Under 90º

• 90º

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

CCSS.4.MD.C.6

Area of Square

• Base²

• Base • Height

• Length • Width

• a+b

  -------

  2h

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.MG.A.1

How do you find the radius of a circle?

• Divide the diameter by 2

• Multiply the diameter by 2

• Divide by pi

• Cry....

Tags

CCSS.HSG.GPE.A.1

Which is the correct formula for the area of a circle?

• A = π r²

• A = 2π r²

• A=πd

• A=π d²

Tags

CCSS.HSG.GMD.A.1

Which formulas can be used to find the circumference of a circle?

• C = π r²

• C = 2π r

• C = π d

• C = 2πd

Tags

CCSS.HSG.GMD.A.1

Diameter of a circle

• R²

• C²

• C • 2

• R • 2

Tags

CCSS.HSG.GPE.A.1

CCSS.HSG.C.A.2