Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.4 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.4 Multiple Choice Questions: Question 1. The semi-perimeter of a triangle having sides 15 cm, 20 cm and 25 cm is (1) 60 cm (2) 45 cm (3) 30 cm (4) 15 cm Solution: (3) … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.3 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.3 Question 1. Find the volume of a cuboid whose dimensions are (i) length = 12 cm, breadth = 8 cm, height = 6 cm (ii) length = 60 m, breadth = 25 m, height … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.2 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.2 Question 1. Find the total surface area and the lateral surface area of a cuboid whose dimensions are (i) length = 20 cm, breadth = 15 cm, height = 8 cm Solution: (i) (a) … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.1 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Ex 7.1 9th Maths Mensuration Exercise 7.1 Question 1. Using Heron’s formula, find the area of a triangle whose sides are (i) 10 cm, 24 cm, 26 cm (ii) 1.8 m, 8 m, 8.2 m Solution: … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Additional Questions Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Additional Questions Exercise 6.1 Question 1. Find the six trigonometric ratios of the angle 6 using the diagram Question 5. From the given figure, find all the trigonometric ratios of angle θ. Solution: Exercise 6.2 Question … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.5 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.5 Multiple Choice Questions : Question 1. Question 3. The value of tan 72° tan 18° is (1) 0 (2) 1 (3) 18° (4) 72° Hint: Solution: (2) 1 SabDekho The Complete Educational Website Bihar … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.4 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.4 Question 1. Find the value of the following : (i) sin 49° (ii) cos 74° 39′ (iii) tan 54° 26′ (iv) sin 21° 21′ (v) cos 33° 53′ (vi) tan 70° 17′ Solution: Question … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.3 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.3 Question 1. Find the value of the following: Solution: SabDekho The Complete Educational Website Bihar Board UP Board IAS Notes Jac Board MP Board सम्पूर्ण व्याकरण जीवनी निबंध टेन्स सामान्य ज्ञान Rajasthan Board NCERT … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.2 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.2 Question 1. Verify the following equalities: (i) sin2 60° + cos2 60° = 1 (ii) 1 + tan2 30° = sec2 30° (iii) cos 90° = 1 – 2 sin2 45° = 2 cos2 45° – 1 (iv) sin 30° … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.1 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.1 9th standard trigonometry exercise 6.1 Question 1. From the given figure find all the trigonometric ratios of angle B. Solution: 9th maths trigonometry exercise 6.1 Question 2. From the given figure, find the values … Read more