Question

Three angles of a triangle are in the ratio of 3:4:5. Find the measurement of greatest angle

Answer 1

Step-by-step explanation:

3:4:5

so,

let the angle of triangle is A Degree,B,C respectively

then

angleA=3x

B=4x

C=5x

we know that

angleA+angleB+angleC=180

3x+4x+5x=180

12x=180

x=180/12

x=15

angleA=3×15

=45

angleB=4×15

=60

angleC=5×15

=75

so angle C is greatest

greatest angle is 75

Answer 2

Answer:

YOUR ANSWER IS 75

Step-by-step explanation:

Let all angles =3x 4x and 5x

then,

3x+4x+5x=180                                    (as adding all angles in a triangle =180)

12x=180                                               (on adding LHS)

x=180/12

x=15

if x=15

then,

3x=3 x 15=45

4x=4 x 15=60

5x=5 x 15=75

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