Advertisements
Advertisements
Question
The angles of a triangle are in the ratio 3 :2 : 7. Find each angle.
Advertisements
Solution
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
RELATED QUESTIONS
If 60% people in city like cricket, 30% like football, and the remaining like other games, then what percentage of the people like other games? If the total number of people is 50 lakh, find the exact number who like each type of game.
Find the value of x, if: (3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27.
A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 84 kg?
If `(by + cz )/(b^2 + c^2) = (cz + ax)/(c^2 + a^2) = (ax + by)/(a^2 + b^2)` then show that each ratio is equal to `x/a = y/b = z/c`.
Rs. 720 is divided between x and y in the ratio 4:5. How many rupees will each get?
If a : b = 1.5 : 3.5 and b : c = 5 : 6, find a : c.
Which of the following numbers are in continued proportion:
6, 12 and 24
Shubham’s age today is 12 years and his father’s is 42 years. Shubham’s mother is younger than his father by 6 years. Find the ratio of Shubham’s age to his mother’s age when Shubham was 10 years old.
Find the sub-triplicate ratio of 27a3 : 64b3
The ratio 5 : 4 is different from the ratio 4 : 5.
