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### Transcript of Problem Hint Formula 1. Find the area of the rectangle formula for finding the area...

• 1. Sec 4.6 – Circles & Volume Circumference, Perimeter, Arc Length       Name:

Problem Hint Formula 1. Find the area of the rectangle and write down the formula for finding the area of a rectangle.

2. Find the area of the right triangle and write down the formula for finding the area of a right triangle.

3. Find the area of the acute triangle and write down the formula for finding the area of an acute triangle.

4. Find the area of the parallelogram and write down the formula for finding the area of an acute triangle.

M. Winking Unit 4‐6 page 109

• Problem Hint Formula 5. Find the area of the

trapezoid and write down the formula for finding the area of a rectangle.

6. Find the area of the circle below.

1. Find the area and perimeter of each of the following shapes.

3 cm

Make a Copy 4

8

6

Rotate Copy

Creates a Parallelogram exactly twice the size of the trapezoid 6

Area:

Perimete

Area:

Perimete

Area:

Perimete

Area:

Perimete

Area:

Perimete

Area:

Perimete

9 in

6 in

7 in 1 in

4 cm

11.5 cm

8 cm

• 2. Solve the following area problems.

3. Find the following sector areas (shaded regions) using fractional parts.

Area:

Area:

x =

Find an expression that would represent the area of the triangle.

Determine the area of the rhombus shown.

Find the length of the radius given the area of the circle is 531 cm2.

Sector

Area

:

Sector

Area

:

Sector

Area

:

M. Winking Unit 4‐6 page 111

• 4. Find the area of each of the shaded regions.

5. Solve the following problems.

Area:

Area:

x =

Sector

Area

: Sector Area

:

Sector

Area

:

Find the central angle of a sector that has an area of 71 cm2 and a radius of 7 cm.

Find the radius of a sector that has an area of 92 cm2 and a central angle of 130˚.

Find the area of the shaded region, given that AC is tangent to the circle at point B and ∡ °

M. Winking Unit 4‐6 page 112

• 6. Find the area of the following compound figures (assume all curved shapes are semicircles).

7. Find the area of the following shaded regions

Area: Area:

Area:

Area:

x =

M. Winking Unit 4‐6 page 113