CHILD DEVELOPMENT PEDAGOGY

GROWTH DEVELOPMENT CHILD

FORMATIVE ASSESSMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A triangle with 3 congruent sides is called a(n) ____
A
Isosceles Triangle
B
Equilateral Triangle
C
Obtuse Triangle
D
Irregular Triangle
Explanation: 

Detailed explanation-1: -In geometry, an equilateral triangle is a triangle that has all its sides equal in length. Since the three sides are equal therefore the three angles, opposite to the equal sides, are equal in measure. Therefore, it is also called an equiangular triangle, where each angle measure 60 degrees.

Detailed explanation-2: -When a triangle has three congruent sides, we call the triangle an equilateral triangle. We mark the congruent sides by a slash mark. The angles in an equilateral triangle are always 60°. When a triangle has two congruent sides it is called an isosceles triangle.

Detailed explanation-3: -An equiangular triangle has all the three sides congruent to each other. All three angles are equal to each other and measure at each. Since the angles of an equiangular triangle are always, the triangle is always an acute-angled triangle.

Detailed explanation-4: -The sides of an equilateral triangle are congruent, which means that all sides are of equal length. All the interior angles are equal(60 degrees) too. The term equilateral is made up of ‘equi, ’ which means equal, and ‘lateral, ’ which means side. So, a triangle with equal sides is known as an equilateral triangle.

Detailed explanation-5: -Download Notebook. An equilateral triangle is a triangle with all three sides of equal length, corresponding to what could also be known as a “regular” triangle. An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides equal.

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