Estimate the perimeter of an isosceles triangle with base a cm and side b cm if 30.
| April 27, 2021 | education
The formula for finding the perimeter of an isosceles triangle looks like this:
P = a + b + b or converted:
P = a + 2 * b, where a is the base of an isosceles triangle and b are the same sides of an isosceles triangle.
2 * 10 <2 * b <2 * 40;
20 <2 * b <80;
30 + 20 <a + 2 * b <50 + 80;
50 <a + 2 * b <130;
50 <P <130.
Answer: 50 <P <130.
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