In an isosceles triangle MNK with base MK, angle N = 42 degrees, find 2 other angles.
| December 11, 2020 | education
the sum of the angles of a triangle is 180 degrees, the angles at the base of an isosceles triangle are
180-42 = 138-sum of angles at the base
138: 2 = 69-each of the remaining corners.
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