math 8 formulas

The pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Tags

CCSS.8.G.B.8

What is the formula for finding the hypotenuse?

• a + b=c
• a² + b²=c²
• a² - b²=c²
• c - a=c

Tags

CCSS.8.G.B.8

Area of a parallelogram.

• A=Bh
• A=bh
• A=½bh
• A=½(b₁+b₂)h

Tags

CCSS.6.G.A.1

Area of a triangle.

• A=Bh
• A=bh
• A=½bh
• A=½(b₁+b₂)h

Tags

CCSS.6.G.A.1

Circumference of a circle.

• A=πr²
• A=2πr
• A  = 2πd
• A = lw

Tags

CCSS.7.G.B.4

Area of a Triangle

• A = 1/2h(b1 + b2)
• A = bh
• A = 1/2bh

Tags

CCSS.6.G.A.1

Area of a Rectangle

• A = 1/2h(b1 + b2)
• A = bh
• a = 1/2bh

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The distance around a circle; much like the perimeter of a rectangle.

• perimeter
• diameter
• circumference
• radius

Tags

CCSS.HSG.GMD.A.1

What formula is used to find the area of a circle? 

• l × w
• l × w × h
• ∏ × r²
• ½B × h

Tags

CCSS.7.G.B.4

Distance around a polygon, a figure with at least three straight lines and angles, is called 

• circumference
• radius
• pi
• perimeter

Tags

CCSS.HSG.GPE.B.7