Area of a Sector Intro Lesson

Unit 9 :

Area of a Sector

By Emily Mcmullan

Area of a Circle​

A= π​r²

Fill in the Blank

Find the area of circle P. (Round to the nearest tenth)

.

Fill in the Blank

Find the Area

.

Fill in the Blank

Find the Radius if the Area is 201ft

Sectors of a Circle

A region bounded by two radii of the circle and their intercepted arc.

Area of a Sector

​πr² θ

360

Find the area of the shaded sector

​

Fill in the Blank

Find the area of the sector made by $$\angle PQR$$  (round to the nearest tenth)

Fill in the Blank

Find the area of the entire circle

Poll

How are we feeling?

• This is easy

• I'm fine, silly mistakes sometimes

• I'm struggling

• I have no idea what I'm doing

Let's practice for
the quiz tomorrow!

Practice Link