Question

В треугольнике D,K,C сторона DK меньше стороны K,C на 6 сантиметров и больше стороны D,C на 2 см найдите периметр треугольника D,K,C если D,K=18см Заранее спасибо

Answer 1

КС=18+6=24. ДС=18-2=16. Р=18+24+16=58

Answer 2

Perimeter of Triangle D,K,C

To find the perimeter of triangle D,K,C, we need to know the lengths of all three sides.

Given that side DK is 18 cm and side DC is 2 cm longer than side DK, we can calculate the length of side DC.

Let's denote the length of side DC as x cm. According to the given information, we know that side DC is 2 cm longer than side DK, so we can write the equation:

x = 18 + 2

Simplifying the equation, we find:

x = 20 cm

Now, we also know that side KC is 6 cm shorter than side DC. Therefore, the length of side KC can be calculated as:

KC = DC - 6

Substituting the value of DC, we have:

KC = 20 - 6

Simplifying the equation, we find:

KC = 14 cm

Now that we have the lengths of all three sides, we can calculate the perimeter of triangle D,K,C by adding the lengths of the three sides:

Perimeter = DK + KC + DC

Substituting the given values, we have:

Perimeter = 18 + 14 + 20

Simplifying the equation, we find:

Perimeter = 52 cm

Therefore, the perimeter of triangle D,K,C is 52 cm.