Advertisements
Advertisements
प्रश्न
The angles of a triangle are in the ratio 3 :2 : 7. Find each angle.
Advertisements
उत्तर
Ratio in angles of a triangle = 3:2:7
Sum of ratios = 3 + 2 + 7=12
Sum of angles of a triangle = 180°
∴ First angle = `3/12 xx 180° = 45°`
Second angle = `2/12` x 180°= 30°
Third angle =`7/12` x 180°= 105°
APPEARS IN
संबंधित प्रश्न
A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 84 kg?
Find the sub-duplicate ratio of the following :
`(9"a"^2)/5 : (25"a"^2)/3`
Find the sub-triplicate ratio of the following :
125a3 : 343b6
The work done by (x – 3) men in (2x + 1) days and the work done by (2x + 1) men in (x + 4) days are in the ratio of 3: 10. Find the value of x.
Ten gram of an alloy of metals A and B contains 7.5 gm of metal A and the rest is metal B. Find the ratio between:
- the weights of metals A and B in the alloy.
- the weight of metal B and the weight of the alloy.
I have a box which has 3 green, 9 blue, 4 yellow, 8 orange coloured cubes in it.
(a) What is the ratio of orange to yellow cubes?
(b) What is the ratio of green to blue cubes?
(c) How many different ratios can be formed, when you compare each colour to anyone of the other colours?
In a box, the ratio of red marbles to blue marbles is 7 : 4. Which of the following could be the total number of marbles in the box?
There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is ______.
In the following figure, division represents 1 cm:
Express numerically the ratios of the following distances:
CE : DI
In the following figure, find the ratio of the area of the shaded portion to that of the whole figure:
