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Dimas [21]
2 years ago
12

If one angle of a triangle is 63 and the other two are 7x degrees and 6x degrees what is X worth

Mathematics
2 answers:
Black_prince [1.1K]2 years ago
6 0

Answer:

    x = 9

Step-by-step explanation:

Sum of all angles of a triangle = 180

                63 + 7x + 6x  = 180

                  63  +  13x    =180

                             13x   = 180 - 63

                              13x  = 117

                                 x  = 117/13

x = 9

miv72 [106K]2 years ago
5 0

Answer:

X= 9

Step-by-step explanation:

The angles in a triangle all add up to 180°

Hence we can form this equation :

63 + 7x + 6x = 180°

Subtracting 63 from both sides:

7x + 6x = 117°

Adding together to find the total X:

13x = 117°

Finally, diving by 13 on both sides:

X = 9

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