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ABCD is a quadrilateral in which diagonals AC and BD intersect at a point O. Prove that: areaΔAOD + areaΔBOC + areaΔABO + areaΔCDO.
Concept: undefined >> undefined
Harmeet earns Rs.50 000 per month. He a budget for his salary as per the following table:
| Expenses | Accommodation | Food | Clothing | Travel | Miscellaneous | saving |
| Amount (Rs.) | 12000 | 9000 | 2500 | 7500 | 4000 | 15000 |
Draw a bar graph for the above data.
Concept: undefined >> undefined
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The birth rate thousand of the following states over a certain period is given below:
| States | Punjab | Haryana | U.P. | Gujarat | Rajasthan | Jammu and Kashmir |
| Birth Rate (per thousand ) | 22.9 | 21.8 | 19.5 | 21.1 | 23.9 | 18.3 |
Draw a bar graph for the above data.
Concept: undefined >> undefined
The number of students (boys and girls) of class IX participating in different activities during their annual day function is given below:
| Activities | Dance | Speech | Singing | Quiz | Drama | Anchoring |
| Boys | 12 | 5 | 4 | 4 | 10 | 2 |
| Girls | 10 | 8 | 6 | 3 | 9 | 1 |
Draw a double bar graph for the above data.
Concept: undefined >> undefined
Read the following bar graph and answer the following questions:
a. What information is given by the graph?
b. Which state is the largest producer of wheat?
c. Which state is the largest producer of sugar?
d. Which state has total production of wheat and sugar as its maximum?
e. Which state has the total production of wheat and sugar minimum?
Concept: undefined >> undefined
Find if the following points are collinear or not by using a graph:
(i) (-2, -1), (0, 3) and (1, 5)
(ii) (1, 3), (-2, -4) and (3, 5)
(iii) (2, -1), (2, 5) and (2, 7)
(iv) (4, -1), (-5, -1) and (3, -1)
Concept: undefined >> undefined
Draw a graph of each of the following equations: x + 6y = 15
Concept: undefined >> undefined
Draw a graph of each of the following equations: 3x - 2y = 6
Concept: undefined >> undefined
Draw a graph of each of the following equations: 3y + 2x = 11
Concept: undefined >> undefined
Draw a graph of each of the following equations: 5x + 2y = 16
Concept: undefined >> undefined
Draw a graph of each of the following equations: x + y - 3 = 0
Concept: undefined >> undefined
Draw a graph of each of the following equations: x = -3y
Concept: undefined >> undefined
Draw a graph of each of the following equations: y = `(5)/(2) xx + (2)/(5)`
Concept: undefined >> undefined
Draw a graph of each of the following equations: `(x - 2)/(3) - (y + 1)/(2)` = 0
Concept: undefined >> undefined
Draw a graph of each of the following equations: 2(x - 5) = `(3)/(4)(y - 1)`
Concept: undefined >> undefined
Draw a graph of each of the following equations: y = `(3)/(5) x - 1`
Concept: undefined >> undefined
Draw a graph of the equation 3x - y = 7. From the graph find the value of:
(i) y, when x = 1
(ii) x, when y = 8
Concept: undefined >> undefined
Draw a graph of the equation 2x - 3y = 15. From the graph find the value of:
(i) x, when y = 3
(ii) y, when x = 0
Concept: undefined >> undefined
Draw a graph for each of the following equations and find the coordinates of the points where the line drawn meets the x-axis and y-axis: 2x + 3y = 12
Concept: undefined >> undefined
Draw a graph for each of the following equations and find the coordinates of the points where the line drawn meets the x-axis and y-axis: `(2x)/(5) + y/(2)` = 1
Concept: undefined >> undefined
