1.
2.
3.
4.
1. 1
2. 1/2
3. 2/3
4. 3/2
2/3
1. 10 (2+√3) mt
2. 27 (2+√3) mt
3. 10 (2-√3) mt
4. 75 (3+√3) mt
10 (2+√3) mt
1. centroid
2. circumcentre
3. incentre
4. orthocentre
circumcentre
1. (√3/2) h cot α
2. (2/√3) h cot α
3. (√3/2) h tan α
4. (2/√3) h tan α
(2/√3) h cot α
1. 3a2= 2h2
2. 2a2 = 3h2
3. a2= 3h2
4. 3a2= h2
2a2 = 3h2
1. 20/3
2. 3/2
3.
4. 8/9
20/3
1.
2.
3.
4.
1.
2.
3.
4.
1. 20/3
2. 3/2
3.
4. 8/9
8/9