Math, asked by danishlatief0426, 1 month ago

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

Answers

Answered by MathCracker
14

Question :-

The angles of a triangle are (2x - 7), (x+25) and (3x + 12). Find the measure of angles.

Solution :-

Given :

Angles of triangle

  • 2x - 7
  • x + 25
  • 3x + 12

Need to find :

  • measure of angles

We know,

Sum of all angles of triangle is 180°.

Now,

 \small\sf:\longmapsto{2x - 7 + x + 25 + 3x + 12 = 180} \\  \\  \small\sf:\longmapsto{}2x + x + 3x + 25 + 12 - 7 = 180 \\  \\  \small\sf:\longmapsto{6x + 30 = 180} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \small\sf:\longmapsto{6x = 180 - 30} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \small\sf:\longmapsto{6x = 150} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \\  \\  \small\sf:\longmapsto{x =  \frac{150}{6} } \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \small\bf:\longmapsto \red{x = 25} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

Now we have the value of x then in all the angles put the value of x we the measures of angles.

☮ 2x - 7

 \small\sf:\longmapsto{2(25) - 7} \\  \\  \small\sf:\longmapsto{50 - 7} \:  \:  \:  \:  \\  \\  \small\sf:\longmapsto{43 \degree} \:  \:  \:  \:  \:  \:  \:  \:  \:

2x - 7 = 43°

☮ x + 25

 \small\sf:\longmapsto{25 + 25 = 50}

x + 25 = 50°

☮ 3x + 12

.

 \small\sf:\longmapsto{3(25) + 12} \\  \\  \small\sf:\longmapsto{75 + 12} \:  \:  \:  \:  \:  \\  \\  \small\sf:\longmapsto{}87 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

3x + 12 = 87°

Answer :

  • 2x - 7 = 43°
  • x + 25 = 50°
  • 3x + 12 = 87°

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