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Leno4ka [110]
4 years ago
7

Find the value of each variable

Mathematics
1 answer:
musickatia [10]4 years ago
8 0

Answer:

<em>a = 70</em>

Step-by-step explanation:

Each triangle is isosceles.

40 + a + a = 180

2a + 40 = 180

2a = 140

a = 70

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