10th
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- Prove. Sec2 A + Cosec2 A = Sec2 A Cosec2 A Proof :: LHS = sec² A + cosec² A =1over(cos²A)+1over(sin²A)=(sin²A+cos²A)over(cos²A sin²A) =1over(cos²A sin²A)=sec²A cosec²A=RHS 1
- Find the area of the sector of a circle of radius 8 cm and arc with length 15 cm. Answer is 60 cm^(2 ) Solution :: Let centre be O red dot radius=OA=8cm=r length of arc= 15cm=L Area of sector= 1over 2× r× l = 1over 2× 8× 1... 1
- Draw a tangent at any point ‘M’ on the circle of radius 3.3 cm and centre ‘O’. Answer :: step-1 } draw circle with radius 3.3 cm , name the centre as "O" and create any point on circle name as "M" . step:2} watch this v... 2
- Refractive index of water with respect to air is 1.33 and that of diamond is 2.42. Refractive index = speed of light in vacuum/speed of light in medium Since the refractive index of diamond is more, hence the speed of light... 1
- A and B each have certain number of oranges. A says to B, "if you give me 10 of your oranges, I will have twice the number of oranges left with you. Your solution is in image 2
- On the first day of the sale of tickets of a drama, in all 35 tickets were sold. If the rates tickets Here is your answer please like it and select as best answer thank you 2
- Solve the following simultaneous equations by using Cramers’s rule: 3x-y =7, x +4y =11 Please mark this answer as best answer thank you 2
- Solve the following quadratic equation for x: `4x^2 + 4bx – (a^2 – b^2) = 0 Please mark as best answer 2
- p and q are the points on the sides AB and AC respectively of a triangle ABC, Here is Your answer hit a like on answer thank you 2
- Solve the following equations by Cramer’s method i. 7x + 3y = 15; 12y - 5x = 39 Solving the folllowing equation with crammers method or rule solution of 1 Given: 7x+3y=15 ....(1) 12y-5x=39 ........(2) Equation (1) and (2... 2
- A person standing on the bank of the river observes that the angle of elevation of the top of a tree Let the height of the tree = h Let the width of the river =w Angle of elevation when standing on the bank = 60∘ When moved 40 m away from th... 1
- The diameter of a sphere is 6 cm. Find the total surface area of the sphere. (p = 3.14) diameter of sphere =d=6cm Radius = r=d/2 =6/2 =3cm the total surface area of sphere = 4 π r² =4 × 3.14 × 3² =4 × 3.14 × 9 =36 × 3.14 =113.04... 1
- Sides of a triangle are 7, 24 and 25. Determine whether the triangle is right-angled triangle or not By Pythagoras, if the sum of squares of two sides is equal to the square of the largest side then the triangle is said to be right-angled He... 1
- Maths Formulas For Class 10: Important Class 10 Mathematics Formulas I will put here all formulas from maharashtra board . Algebra 1. Class 10 Maths Formulas Linear Equations ,Pair of Linear Equations in two v... 1
- A and B each have certain number of oranges. A says to B, “ if you give me 10 of your oranges, Suppose A has x no. of oranges and B has y no. of oranges. According to the given conditions, we have x+10=2(y−10)⇒x−2y+30=0 (i) and, y+10=x... 1