Answer:
D
Step-by-step explanation:
I can’t give a step-by-step explanation but it’s D
Step-by-step explanation:
The rotational symmetry is 4
Answer:
9.43
Step-by-step explanation:
bc it is
the sum of three angles = 180
a + b +c = 180
a=102 and b= c (<span>triangle is isosceles)
so b+c= 180- 102
b+c= 78
b= c= 78 / 2 = 39
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