Math, asked by vipin114, 1 year ago

The measure of the sides of triangle are 3,5 and 7 then the greatest angle is

Answers

Answered by PrincessStargirl
14
Let the angles be 3x,5x and 7x
3x+5x+7x=180
=>15x=180
=>x=180÷15
=>x=12
Therefore the angles are:
=>12×3=36
=>12×5=60
=>12×7=84.
Therefore the largest angle=7,which is equal to 84degree.
Hope it helps.
Please mark as brainliest.

vipin114: sorry answer isn’t correct !
PrincessStargirl: Ok..
PrincessStargirl: Then don't mark
PrincessStargirl: as brainliest
vipin114: answer is 120’
PrincessStargirl: Is the question right?
vipin114: obviously ! your method of doing is wrong why you have taken angles x
this question requires cosine formula !
PrincessStargirl: ok
Answered by pavani432007
1

Answer:

84°

Step-by-step explanation:

3x+5x+7x=180°

15x=180°

x=180/15=12°

36,60,84

Similar questions