Must Learn Formulas for 8th Grade ILEARN

What is the formula for area of a triangle?

• A=πr²

• A=1/2bh

• A=l*w

• A=1/2h(b₁+b₂)

Tags

CCSS.6.G.A.1

What is the formula for Surface Area of a Rectangular Prism?

• SA=2πrh + 2πr²

• SA=2(lw+lh+wh)

• P=add all sides around the given shape

• A=bh

Tags

CCSS.7.G.B.6

What is the formula for Area of a Trapezoid?

• A=bh

• A=l*w

• A=1/2h(b₁+b₂)

• A=1/2bh

Tags

CCSS.6.G.A.1

What is the formula for Volume of a Cylinder?

• V=πr²h

• V=πr²

• V=r²Bh

• A=2πr

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

What is the formula for Surface Area for a Cylinder?

• SA=2πrh + 2πr²

• SA+2(lw+lh+wh)

• A=πr³

• SA+ 2πr²

What is the formula for the Circumference of a circle?

• C=2πr

• C=πd

• A=πr²

• C=πr²

Tags

CCSS.7.G.B.4

What is the formula for Area of a Circle?

• A=1/2bh

• A=l*w

• A=bh

• A=πr²

Tags

CCSS.7.G.B.4

Perimeter is adding up all sides around the given shape

• False

• True

What is the formula for Area of a Parallelogram?

• A=l*w

• A=bh

• A=1/2bh

• A=1/2h(b₁+b₂)

Tags

CCSS.6.G.A.1

What is the formula for Area of a Rectangle?

• A=1/2bh

• A=πr²

• A=l*w

• A=bh

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3