Find the perimeter of an isosceles triangle adc with base ad if ad = 7 centimeters dc = 8 centimeters.
September 4, 2021 | education
| Since, by condition, triangle ABC is isosceles, the lengths of its lateral sides are equal.
AC = CD = 8 cm.
The perimeter of a triangle is the sum of the lengths of the sides of the triangle.
Then Ravs = AC + CD + AD = 8 + 8 + 7 = 23 cm.
Answer: The perimeter of triangle ABC is 23 cm.
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