itrixie
This page lists questions and answers that were posted by visitors named itrixie.
Questions
The following questions were asked by visitors named itrixie.
In a triangle with integer side lengths, one side is three times as long as a second side, and the length of the third side is 15. What is the greatest possible perimeter of the triangle?
11 years ago
Triangle ABC and triangle DBC share BC. AB=5 cm AC=12 cm DC=8 cm and BD= 20 cm. What is the least possible integral number of centimeters in BC?
11 years ago
How many different triangles can be formed having a perimeter of 7 units if each side must have integral length?
11 years ago
Two sides of scalene triangle ABC measure 3 centimeters and 5 centimeters. How many different whole centimeter lengths are possible for the third side?
11 years ago
A stick 5 cm long, a stick 9 cm long, and a third stick n cm long form a triangle. What is the sum of all possible whole number values of n?
11 years ago
Answers
The following answers were posted by visitors named itrixie.
thank you
11 years ago
I know that triangle ABC and DBC are obtuse and that if the triangle is obtuse then AC^2>AB^2+BC^2
11 years ago
I plugged the numbers in and I got that the least possible integral number for triangle ABC is 11 but the least possible integral number for triangle DBC is 19 and that base is too large for triangle ABC.
11 years ago
nvm I got it
11 years ago
I got 2
11 years ago
I know it is not 7. So it must be 3, 4, 5, or 6.
11 years ago
p.gayathri, what do you mean by 2 sides?
11 years ago
I know the range is 14>x>4
11 years ago
and the third side can not be 5 or 9
11 years ago
so that leaves 6, 7, 8, 10, 11, 12,and 13. That added up all together is 67 but my teacher said that was incorrect
11 years ago
14+13+12+11+10+9+8+7+6+5+4=99 13+12+11+10+9+8+7+6+5=81 14+13+12+11+10+8+7+6=81 Which one is it?
11 years ago