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rusak2 [61]
3 years ago
13

Each face of a pyramid is an isosceles triangle with a 74° vertex angle. What are the measures of the base​ angles?

Mathematics
2 answers:
zaharov [31]3 years ago
8 0
53 degrees at each angle
tamaranim1 [39]3 years ago
7 0
Os ângulos da base são congruentes...
A soma dos ângulos internos do triângulo é 180º
x + x + 74 = 180
2x = 180 - 74
2x = 106
x = 106/2
x = 53º (ângulos da base)
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