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06-05-2020
Mathematics

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30 points!!!
AOC and BOD are diameters of a circle, centre O. prove that triangle ABD and triangle DCA are congruent by RHS.

30 points AOC and BOD are diameters of a circle centre O prove that triangle ABD and triangle DCA are congruent by RHS class=

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amna04352 amna04352

06-05-2020

Answer:

SAS postulate

Step-by-step explanation:

AD (common)

AC = BD (both are diameters)

Angle COD = Ange AOD (vertically opposite angles)

Angle CAD = Angle BAD (angle on the circumference is half the angle at the centre)

Therefore, ABD and DCA are congruent by SAS postulate

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