Question

# What is the temporary assumption used to prove that “If a + b ≠ 18, and a = 16 then b ≠ 2”?

- b > 2
- b < 2
- b ≥ 2
- b = 2

## The correct answer is: b = 2

### We first assume b = 2

And we prove it as a contradiction

### Related Questions to study

### In the given figure AB = CD,

If ∠CAB > ∠DCA then,

### In the given figure AB = CD,

If ∠CAB > ∠DCA then,

### In the given figure AB = CD,

If AD > BC then,

### In the given figure AB = CD,

If AD > BC then,

### Indirect proof is also called ____

### Indirect proof is also called ____

### If G is the centroid of triangle ABC,

Find GD.

Centroid divides a median in the ratio 2:1

### If G is the centroid of triangle ABC,

Find GD.

Centroid divides a median in the ratio 2:1

### If G is the centroid of triangle ABC,

Find BG.

BE= 12

### If G is the centroid of triangle ABC,

Find BG.

BE= 12

### If G is the centroid of triangle ABC,

Find BE.

BG = 4x + 4

BG = 2/3 BE

4x + 4 = 2/3 (7x + 5)

12x + 12 = 14x + 10

2x = 2

x = 1

BE = 7x + 5

= 12

### If G is the centroid of triangle ABC,

Find BE.

BG = 4x + 4

BG = 2/3 BE

4x + 4 = 2/3 (7x + 5)

12x + 12 = 14x + 10

2x = 2

x = 1

BE = 7x + 5

= 12

### If G is the centroid of triangle ABC,

Find CG

>>>CG was given as 5x+1 and CF can be found in terms of x.

>>>There is no scope to find the value of x.

>>>Hence, we have no way to find the value of CG.

### If G is the centroid of triangle ABC,

Find CG

>>>CG was given as 5x+1 and CF can be found in terms of x.

>>>There is no scope to find the value of x.

>>>Hence, we have no way to find the value of CG.

### If G is the centroid of triangle ABC,

Find AG

Centroid divides a median in the ratio 2:1

### If G is the centroid of triangle ABC,

Find AG

Centroid divides a median in the ratio 2:1

### If G is the centroid of triangle ABC,

Find x.

### If G is the centroid of triangle ABC,

Find x.

### In the given figure:

Compare area of ∆ABE, ∆ACE.

### In the given figure:

Compare area of ∆ABE, ∆ACE.

### In the given figure:

Find the area of ∆AEC.

Area = × 12 × 5

= 30

### In the given figure:

Find the area of ∆AEC.

Area = × 12 × 5

= 30

### In the given figure:

Find the area of ∆ABE.

Area of the triangle =

Area = × 12 × 5

Area = 30

### In the given figure:

Find the area of ∆ABE.

Area of the triangle =

Area = × 12 × 5

Area = 30

### In the given figure:

Find h.

### In the given figure:

Find h.

### Given vertices of a triangle are A (1, 1) B (11, 8) C (13, 6).Find the midpoints of BC, CA

### Given vertices of a triangle are A (1, 1) B (11, 8) C (13, 6).Find the midpoints of BC, CA

### The centroid and orthocenter of an equilateral triangle for special segments are ____

The centroid and orthocenter, both are the same in an equilateral triangle for special segments

### The centroid and orthocenter of an equilateral triangle for special segments are ____

The centroid and orthocenter, both are the same in an equilateral triangle for special segments