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Igoryamba
3 years ago
9

What is the value of x?

Mathematics
2 answers:
pantera1 [17]3 years ago
7 0

x=9 because the triangle is equilateral which means every side is equal to 60. When you do the math you get 7x-3=60 which is 7x=63 and 63/7=9

Yakvenalex [24]3 years ago
3 0

x = 9

The triangle has all 3 sides congruent and is thus an equilateral triangle.

Each angle = 60°

equate 7x - 3 = 60 and solve for x ( add 3 to both sides )

7x = 63 (divide both sides by 7 )

x = \frac{63}{7} = 9



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