suppose that BCD is isosceles with base DC. Suppose also that m B=(3x+47)° and m D=(4x+6)° Find the degree measure of each angle

Question

My name is Ann [436]

4 years ago

6

suppose that BCD is isosceles with base DC. Suppose also that m B=(3x+47)° and m D=(4x+6)° Find the degree measure of each angle

in the triangle.

Mathematics

1 answer:

Veseljchak [2.6K] · Answer 1 · 2021-11-10T14:45:50+03:00

Veseljchak [2.6K]4 years ago

4 0

The base angles of isosceles triangles are congruent therefore Angle c also measures 4x+6. add all 3 angles of any triangle you always get 180

3x+47 + 4x+6 + 4x+6=180
11x=121
x=11 the three angles measure 80, 50, and 50