Question

Abc is a right angled triangle in which angle a=90 ab=21cm and ac=28

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

by using Pythagoras theorem

bc2 = ab2 + ac2

bc2 = 784 + 441

bc2 = 1225

bc = 35

sum of all angle of triangle = 180

a + b + c = 180

b + c = 180 - 90

b + c = 90

b = 45° & c = 45°