Question

one of the two equal angles of an isocseles triangle measure 55° find all the angles of the triangle​

Answer 1

Answer:

70°, 55° and 55°.

Step-by-step explanation:

Let the unequal angle be x.

Let the triangle be ΔABC and angle B = angle C

So, by isosceles Triangle Property,

x + B + B = 180

⇒ x + 2B = 180

⇒ x + 110 = 180

⇒ x = 70°

∴ All the angles of the triangle are 70°, 55° and 55°.

Answer 2

Answer:

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