7th Quiz

Tan 45 = …………

• 1/2

• 1

If sin X = 1/2 , X is an acute angle , then m (∠ X ) = …………..

• 60

• 30

• 45

• 90

The distance between the two points (3 , 0) and (0 . – 4) equals ……….. length units

• 4

• 5

• 6

• 7

If A ( 5 , 7 ) , B ( 1 , – 1 ) , then the midpoint of AB is ……………

• (2 , 3)

• (3 , 3)

• (3 , 2)

• (3 , 4)

2 sin 30^o tan 60^o = ……………

• 3

• 1/2

The distance between the two points ( 4 , 3 ) and y-axis equals ……. length unit

• -3

• -4

• 3

• 4

If A , B are two acute angles and m (∠ A) + m (∠ B) = 90^o , m (∠ A) ≠ m (∠ B) , then .............

• sin A = cos B

• sin A = sin B

• tan A = tan B

• cos A = cos B

What is the value of cos 60^o?

• √3/2

• 1

• 1/2

• 0

If tan A = 1, then m (∠ A) = …………..

• 30^o

• 45^o

• 60^o

• 90^o

The area of a triangle with base 5 units and height 4 units is ………..

• 10

• 20

• 15

• 25