Calculate the Perimeter: Isosceles Triangle with Sides 12 and 7

Question

777121212

What is the perimeter of the given isosceles triangle?

Video Solution

Solution Steps

00:00 Calculate the triangle's perimeter
00:03 The triangle is isosceles according to the given data
00:06 The perimeter equals the sum of the triangle's sides
00:09 Let's substitute appropriate values and solve
00:13 And this is the solution to the question

Step-by-Step Solution

Due to the fact that the the triangle is isosceles, its two legs are equal to one another.

Therefore, the base is 7 and the other two sides are 12.

The perimeter of a triangle is equal to the sum of all the sides together:

12+12+7=24+7=31 12+12+7=24+7=31

Answer

31

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Related Subjects

Types of Triangles Perimeter of a triangle Equilateral triangle Isosceles triangle Acute triangle Obtuse Triangle Scalene triangle Perimeter Triangle Identification of an Isosceles Triangle

Question Types

Types of Triangles: Applying the formula Perimeter of a Triangle: Applying the formula