accelerated math 1 april 23 rd
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Accelerated Math 1 April 23 rd. Turn in Homework (32-34 and 45-47) Pick up protractor WARM-UP: The radius of the circle below is 12in. The measure of the central angle shown is 90 o What is the AREA of the circle What is the area of the SECTOR? - PowerPoint PPT PresentationTRANSCRIPT
Turn in Homework (32-34 and 45-47) Pick up protractor
WARM-UP: The radius of the circle below is 12in.The measure of the central
angle shown is 90o
1. What is the AREA of the circle2. What is the area of the SECTOR?3. What is the area of the SEGMENT?
Accelerated Math 1 April 23rd
4. PW, PX, WX
5. AC, AD, CD6. 50.247. 254.348. 3.149. 4.1910. 0.3511. 17.4412. 25.12
13. 1.7414. 4.515. 1.7316. 2.56517. 41.0418. 0.3619. 3.24
Go over homework… page 32-34
1. center; radii2. Linear3. Semicircle4. Central angle5. Segment6. Perpendicular7. 608. 1109. 2410. 85
11. 6.2812. 37.6813. 5.3314. 6.6715. 9.4316. 10.4617. 94218. 15719. 10020. 32
Go over homework… p. 45
PROPERTIES OF CIRCLES!!
1. Use a straightedge to draw a chord using the points on the circle above.
2. Use your compass and straightedge to draw the perpendicular bisector of the chord. (THE FISH)
3. What do you notice about the perpendicular bisector?
Complete the following:The perpendicular bisector of a chord passes through the ________ of a circle.
If a diameter of a circle is perpendicular to the chord, then
the diameter _________ the chord and its arc.
Page 37
• Examine the next picture:• The chords are congruent
• Congruent chords are the ________________ from the center of the circle.
Page 39
Assignment TEST WEDNESDAY HOMEWORK – page 43-44 Start working on test review – pages 57-59
(Omit the sphere questions)