= J C B AB and BC are sides of congruent nine-sided regular polygons. Angle DAB= angle DCB = 90°. Calculate the size of angle ADC. Not to scale

CwRichardKim asked Jan 15, 2023

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19 votes

=

J
C
B
AB and BC are sides of congruent nine-sided regular polygons.
Angle DAB= angle DCB = 90°.
Calculate the size of angle ADC.
Not to scale

CwRichardKim asked Jan 15, 2023

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21 votes

Answer:Triangle ABC and BCD are congruent by the side side side triangle congruence theorem

Explanation:

Graham Hotchkiss answered Jan 20, 2023

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