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Arlecino [84]
3 years ago
11

Find the value of x in this image

Mathematics
2 answers:
dangina [55]3 years ago
4 0
2x+2x+(x-15)=180
4x+x-15=180
5x=180+15
5x=195
x=195/5
x=39

Good luck
ra1l [238]3 years ago
3 0

Answer:

x = 39

Step-by-step explanation:

Its an isosceles triangle, so,

angle A = angle C = 2x

Sum of angles in a triangle = 180, which is why when you add x - 15 , 2x and 2x its equal to 180.

Now you have a linear equation. Solve it to find the value of x.

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= \frac{144a^{4}+36a^{2}+144a^{3}  - 36a^{2} - 36 - 12a} {2a+1}\\= \frac{144a^{4}+144a^{3} - 36 - 12a} {2a+1}\\

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