Mathematics, 30.05.2020 06:57 J3ak06

In triangle XYZ,
XY · cosY = XZ · cosZ.
Which of the following must be true about 4XYZ?
(a) It is a right triangle.
(b) It is an obtuse triangle.
(c) It is an acute triangle.
(d) It is an isosceles triangle.
(e) It is an equilateral triangle.

Answers: 3

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In triangle XYZ,
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In triangle XYZ, XY · cosY = XZ · cosZ. Which of the following must be true about 4XYZ? (a) It is a right triangle. (b) It is an obtuse triangle. (c) It is an acute triangle. (d) It is an isosceles triangle. (e) It is an equilateral triangle.

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Another question on Mathematics

In triangle XYZ,
XY · cosY = XZ · cosZ.
Which of the following must be true about 4XYZ?
(a) It is a right triangle.
(b) It is an obtuse triangle.
(c) It is an acute triangle.
(d) It is an isosceles triangle.
(e) It is an equilateral triangle.