Are of circle and sectors

Post on 13-May-2015

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Transcript of Are of circle and sectors

GT Geom Drill #4.10 4/29/14Find the circumference and area of a circle when the diameter is: (use 22/7 for )1. 42 2. 14k

Find the area of the sector when: 3. A=

90o and r = 1 4. A=

120o and r = 6 5. A=

270o and r = 4

The spinner below is used to determine what kind of question is asked. The spinner is divided into 4 equal sections. One of the sections is divided in half. What is the probability that a circle question is asked?

Obj: STW use knowledge of area to find the area of composite figures.STW use knowledge of probability to find geometric probability

Find the are area of the shaded region

Find the are area of the shaded region

Find the are area of the shaded region

A company receives an order for 65 pieces of fabric in the given shape. Each piece is to be dyed red. To dye 6 in2 of fabric, 2 oz of dye is needed. How much dye is needed for the entire order?