nghcathy nghcathy

11-11-2021
Mathematics

contestada

OABD is a sector of a circle.
Angle AOB = 80°.
The radius OB = 22 cm.
Work out:
the length OC
The area of triangle OAB
The area of the sector OABD
The area if the segment ABD

OABD is a sector of a circle Angle AOB 80 The radius OB 22 cm Work out the length OC The area of triangle OAB The area of the sector OABD The area if the segmen class=

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boitelomohase0 boitelomohase0

11-11-2021

90

Step-by-step explanation:

because it has a parallel line

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