Question

Define-

a) Acute angle

b) Equilateral triangle

c) Reflex angle

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Answer 1

Answer:

1. The acute angle is the small angle which is less than 90°. If you choose the larger angle you. will have a Reflex Angle instead: The smaller angle is an Acute Angle, but the larger angle is a Reflex Angle.
2. an equilateral triangle is a triangle in which all three sides have the same length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°.
3. A reflex angle is the larger angle, it's always more than 180° (half a circle) but less than 360° (A full circle). It's possibly the most confusing of the angles because it's always on the outside.

Answer 2

Answer:

ACUTE ANGLE = Acute angles measure less than 90 degrees. Right angles measure 90 degrees. Obtuse angles measure more than 90 degrees.

EQUILATERAL TRIANGLE = In geometry, an equilateral triangle is a triangle in which all three sides have the same length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°.

REFLEX ANGLE = A reflex angle is the larger angle, it's always more than 180° (half a circle) but less than 360° (A full circle).

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