Question

Периметр рівнобедреного трикутника дорівнює 20.Знайти його основу,якщо вона на 2 більша від бічної сторони

Answer 1

20• 2 =40 периметр и всё

Answer 2

Finding the Base of an Isosceles Triangle with a Perimeter of 20

To find the base of an isosceles triangle when its perimeter is 20 and the base is 2 units longer than each of the equal sides, we can use the following steps:

1. Let's assume that the length of each equal side of the triangle is x units. 2. Since the base is 2 units longer than each equal side, the length of the base is x + 2 units. 3. The perimeter of the triangle is the sum of all three sides, which is given as 20 units. 4. We can set up an equation to represent the perimeter: x + x + x + 2 = 20. 5. Simplifying the equation, we get: 3x + 2 = 20. 6. Subtracting 2 from both sides of the equation, we have: 3x = 18. 7. Dividing both sides of the equation by 3, we find: x = 6. 8. Therefore, each equal side of the triangle is 6 units long. 9. The length of the base is x + 2 = 6 + 2 = 8 units.

So, the base of the isosceles triangle is 8 units long.