one angle of a triangle is 60 degree. the other two angles are in the ratio 5: 7 .find the two angle
Answers
Answer:
Step-by-step explanation:
One angle of a triangle is 60 degree the other two angles are in ratio 5:7. The two angles are 50° and 70°.
Stepwise explanation is given below:
- Measure of one of the angle of a triangle = 60°.
- Other two angles are in the ratio 5:7
- Let the other two angles be 5x and 7x.
- So, we know the sum of the angles of a triangle is 180°.
then, 5x+7x+60° = 180°
12x+60° = 180°
12x = 180° - 60°
12x = 120°
x = 120/12
x = 10°
so, the measure of other two angles will found by putting the value x = 10 is :-
=5x = 5*10 = 50°
And, 7x = 7*10 = 70°
soobee72pl and 16 more users found this answer helpful
THANKS
10
5.0
(6 votes)
Answer
3.0/5
5
sanjeevk28012
Expert
1K answers
584.1K people helped
Given :
For a Triangle ,
One angle of triangle = 60°
The ratio of other two angles = 5 : 7
To Find :
The other two angles
Solution :
For A Triangle
The Sum of all three angles of Triangle = 180°
Let ∠ A , ∠B , ∠C are three angles of Triangle ABC
let ∠ A = 60°
And ∠ B = 5 x°
And ∠ C = 7 x°
∵ ∠ A + ∠B + ∠C = 180° ...........1
Put the value of ∠ A , ∠B , ∠C in eq 1
So, 60° + ∠B + ∠C = 180°
Or, ∠B + ∠C = 180° - 60°
Or, ∠B + ∠C = 120°
Or, 5 x° + 7 x° = 120°
Or, 12 x° = 120°
∴ x =
i.e x= 10°
So, The value of ∠ B = 5 x° = 5 × 10° = 50°
And The value of ∠ C = 7 x° = 7 × 10° = 70°
Hence, The measure of other two angles of Triangle is 50° , 70° Answer
700 gram as a percentage of 2.8kg
choose the equation of the line passing through the point(-3,4)
DM and EN are parallel to each other . The bisectors of angle DMN AND angle ENM meet at O . Prove that angle MNO is a right triangle
(a +8) (a -11) multiply
Find the domain and range of f(x) = 2 – 5x, x ∈ R and x >0
Show that 9980isnot a perfect square
A single throw of dice ,what is the probability of getting total different from 8
Bina bought a computer for RS 5346,a refrigerator for RS 1454 and a desertcooler for RS 1834.how much money did she spend to all?
Ans for:Find the TSA of cube whose side is 5 cm?
Find the value of 20.4÷600
Given hcf (120,180)=60 ,then find lcm (120,180)
2,6,10,18,14,22,26,30,34,38,42,46,50,54,58 add any three numbers and answer found 60
Good afternoon friends please subscribe Devi arts and studies l will follow u please subscribe. please support friends
Hey guys Free points follow me
find the cube root of 27 upon 125
one angle of a triangle is 60 degree. the other two angles are in the ratio 5: 7 .find the two angle
guys follow everyone from my following
Solve i) 0 - 16+ 4 (m-6) i) 3(p-5) = 21
if x =0 and y =k are the solution of the equation 5x_3 y=3 the value of k is
Choice of food for a group of people. Favourite food Number of people 30 North Indian South Indian Chinese 40 25 Others 25 Total 120 and Draw pie char…
Step-by-step explanation:
brainliest mark kar do pls points chaia