G9 t1 Nov Exam

If : ( |𝑥| , 4 ) = ( 3 , 𝑦²) and the point ( 𝑥 , 𝑦 ) lies in the 2^nd Quadrant , then -𝑥+𝑦 = …..

• -1

• 5

• -5

• 1

IF 𝑎𝑏 = 𝑎 + 𝑏 = 5 , then 𝑎² 𝑏 + 𝑎 𝑏² = ………………

• 5

• 25

• 125

• none of the previous

[1]   tan K   × cos K = …………….

• cos k

• sin k

• 30

• 45

• 90

• 0

 ∆ ABC is a right–angled triangle at B,  is a median BE = 5 cm, AB = 6 cm, then sin C = ……..

∆ ABC is a right – angled triangle at A , if tan B = 1 , then tan C – sin C cos C = …..

• zero

• 1

• 2

In the opposite figure 
C is midpoint of AB
  
Find the perimeter of triangle OAB                       

IF A (  1 , - 6 )  and B ( 9 , 2 ) , find the coordinates of the points which divide  AB into four equal parts in length .