1. 1
2. 4/3
3. 3
4. -1
4/3
1. 1
2. 2
3. 3
4. 4
3
1. equilateral
2. right angled
3. isosceles
4. none
equilateral
1. isosceles
2. equilateral
3. right angled
4. none
right angled
1. only I is true
2. only II is true
3. both I,II are true
4. neither I and II is true
only II is true
1. r r1r2
2. r r2r3
3. r r1r3
4. 1 r2r3
1 r2r3
1. 4:3:5
2. 3:4:5
3. 5:3:4
4. 3:5:4
4:3:5
1. 1/4
2. 3/4
3. 5/4
4. 7/4
7/4
1. r+R
2. 2(r+R)
3. ½ (r+R)
4. 2(r-R)
2(r+R)
1. 12
2. 10
3. 18
4. 20
12