Question

In the adjoining figure, AABC = AADC. If ZBAC = 30°
and ZABC = 100°, then find the measure of ZACD.​

Answer 1

Answer:

Here is your answer,

Angle sum property of a triangle = 180°

In the triangle ADC,

ADC + DAC + ACD = 180°

ACD = 180 - ( 90+30 )

= 180-120

= 60°

In the triangle ABD ,

BDA + BAD + ABD = 180°

ABD = 180 - (40+90)

= 180 - 130

= 50°

In the ABC ,

ACD = 60°

ABD = 50°

BAC = 30+40 = 70°

Step-by-step explanation:

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