Question

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Answer 1

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Answer 2

Answer:

1) Define equilateral triangle and it's Properties.

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°.

2) What is an isosceles triangle.

In geometry, an isosceles triangle is a triangle that has two sides of equal length.

3) What are the properties of an isosceles triangle.

Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case.

4) Can you have a triangle with one acute angle.

A triangle can never have only one acute angle. If a triangle has 1 acute angle, the other angles will be either right angles or obtuse angles which is not possible as the sum of interior angles of a triangle is always 180°.

5) Two angles of a triangle are 25° and 60°. Find the third angle.

Given, the two angles of a triangle are 25° and 60°.

let the 3rd angle be x°,

then,

25° + 60° + x° = 180° (Angle Sum Property)

85° + x° = 180°

x° = 180° - 85°

x° = 95°

There fore: The 3rd angle is 95°

Step-by-step explanation:

Angle sum property is the property in which the sum of the 3 angles of a triangle is equals to 180 is called so.

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