Advertisements
Advertisements
प्रश्न
If the angles of a triangle are in the ratio 2 : 3 : 4, find the angles.
Advertisements
उत्तर
Sum of angles of a triangle = 180°
Ratio among angles = 2 : 3 : 4
Sum of ratios = 2 + 3 + 4 = 9
First angle = `180° xx (2)/(9)` = 40°
Second angle = `180° xx (3)/(9)` = 60°
Third angle = `180° xx (4)/(9)` = 80°
∴ Angles are 40°, 60° and 80°.
APPEARS IN
संबंधित प्रश्न
A school has 630 students. The ratio of the number of boys to the number of girls is 3 : 2. This ratio changes to 7 : 5 after the admission of 90 new students. Find the number of newly admitted boys.
Find the sub-triplicate ratio of the following :
m3n6 : m6n3
If 2a = 3b and 4b = 5c, find: a : c.
If a : b = 5 : 3, show that (5a + 8b) : (6a – 7b) = 49 : 9.
The ratio between the prices of a scooter and a refrigerator is 4 : 1. If the scooter costs ₹ 45,000 more than the refrigerator, find the price of the refrigerator.
Find the fourth proportional of 4 hours 40 minutes, 1 hour 10 minutes and 16 hours.
Which of the following numbers are in continued proportion:
15, 45 and 48
If 4, x and 9 are in continued proportion, find the value of x.
In a year, Seema earns ₹ 1,50,000 and saves ₹ 50,000. Find the ratio of money that Seema earns to the money she saves.
A ratio is a relationship between two quantities of the same kind obtained by:
