Question

In fig. 6.51 Triangle ABC is right angled at C and CD AB If angle B =70 , find angle ACD , angle DCB and angle CAD ​

Answer 1

since it is a right angle triangle...

therefore angle A = 90

and angle B=70 (given)

now,

angle A+B+C=180° (angle sum property of a triangle)

90+70+C=180°

160+C=180

therefore, angle C = 180-160

=20°

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