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bazaltina [42]
3 years ago
12

Find the value of x, please

Mathematics
2 answers:
Lena [83]3 years ago
6 0
X^2 = 360 - (131+105+75)
x^2 = 360 - 311
x^2 = 49
so
x = √49
x = 7
Tpy6a [65]3 years ago
3 0

4 inside angles = 360 degrees

131 + 75 + 105 = 311

360 - 311 = 49

x^2 = 49

x = sqrt(49) = 7

x = 7

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