Question

Qno6:- The angles of a triangle are (2x - 7), (x + 25) and (3x + 12). Find the measure of angles: 4x1=4​

Answer 1

Answer:

Step-by-step explanation:

2x - 7 + x + 25 + 3x + 12 = 180° [angle sum property of a triangle]

6X + 25 = 180°

6X = 180 - 25

6X = 155°

x = 155/6

= 26

substitute x in the equation and find

Answer 2

Step-by-step explanation:

Given,

the angles of the triangle are : (2x-7),(x+25),and (3x+12)

we know that the sums of the angle of the triangle is 180°

(2x-7)+(x+25)+(3x+12)=180

2x-7+x+25+3x+12=180

6x-30=180

6x = 180-30

6x= 150

x= 150/6.

x= 25

by putting the values of x in three equation of the angles of the triangle.

first angle= (2x-7)= (2×25-7)=(50-7)= 43

second angle =(25+25)= 50

third angle = (3×25+12)= ( 75+12)= 87

the angles of the triangle are 43°, 53° ,& 87°

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