Question

If angle DAC=30°, find the angles of triangle ABC in the figure 10.23​

Answer 1

Answer:

angle c=20°

angle A=70°

angle b=50°

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

In triangle ADC

angle DAC + angle ADC+angleDCA =180°(angle sum property)

30°+90°+DCA=180°

DCA=60°

IN TRIANGLE ADB

BY ANGLE SUM PROPERTY

angle ABD = 180°-90+40

angleABD = 50°

HENCE ANGLES OF TRIANGLE ARE

70°,50°,60°

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