Advertisements
Advertisements
प्रश्न
The angles of a triangle are in the ratio 3 : 7 : 8. Find the greatest and the smallest angles.
उत्तर
Sum of angles of triangle = 180°
Given ratio 3 : 7 : 8
Sum of ratio = 3 + 7 + 8 = 18
Smallest angle = `3/18xx180°`= 30°
Greatest angle = `8/18xx180°`= 80°
APPEARS IN
संबंधित प्रश्न
The work done by (x – 2) men in (4x + 1) days and the work done by (4x + 1) men in (2x – 3) days are in the ratio 3 : 8. Find the value of x.
Find sub-duplicate ratio of (x – y)4 : (x + y)6
Find sub-triplicate ratio of 64 : 27
Find the ratio compounded of the reciprocal ratio of 15 : 28, the sub-duplicate ratio of 36 : 49 and the triplicate ratio of 5 : 4.
Find the ratio of the following in the simplest fcrm:
Rs 5.40 and 180 paise
Two numbers are in the ratio 7 : 10. If 8 is added to each number, the ratio becomes 3 : 4. Find the nLimbers.
If the ratio between 8 and 11 is the same as the ratio of 2x - y to x + 2y, find the value of `(7"x")/(9"y")`
If x and y be unequal and x: y is the duplicate ratio of (x + z) and (y + z) prove that z is mean proportional between x and y.
Express the given ratio in its simplest form: `6 1/4 : 12 1/2`
Divide 64 cm long string into two parts in the ratio 5 : 3.
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.
If x : y = 2 : 3 and y : z = 5 : 7, find x : y : z.
If m : n = 4 : 9 and n : s : 3 : 7, find m : s
If (x – 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.
Three numbers are in the ratio `(1)/(2) : (1)/(3) : (1)/(4)` If the sum of their squares is 244, find the numbers.
Choose the correct answer from the given options :
The ratio of number of edges of a cube to the number of its faces is
The ratio of the shorter sides of a right angled triangle is 5 : 12. If the perimeter of the triangle is 360 cm, find the length of the longest side.
In figure, find the ratio of the area of the shaded portion to that of the whole figure:
Fill in the following blanks:
`15/18 = square/6 = 10/square = square/30`
[Are these equivalent ratios?]