Answer:
To know that a triangle is right angled triangle we will have to apply pythagoras theorem to verify it
Like length 3, 4 and 5 are leghts of right angled triangle
Answer:
A. 27
Step-by-step explanation:
21 x 3 = 63
9 x 3 = 27
exact form: 3/11
decimal form: .27 repeating
