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Which of these groups of three sticks, with lengths in… | StemPy Lab
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Which of these groups of three sticks, with lengths in centimetres, can be joined end to end into a triangle?
Mathematics
Medium
High School (9–10)
General
Geometry › Triangles
Board Exam
SAT
Created by
StemPy Lab
Which of these groups of three sticks, with lengths in centimetres, can be joined end to end into a triangle?
2
,
2
,
5
2, 2, 5
2
,
2
,
5
3
,
10
,
13
3, 10, 13
3
,
10
,
13
5
,
7
,
11
5, 7, 11
5
,
7
,
11
6
,
8
,
15
6, 8, 15
6
,
8
,
15
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← In triangle ABC with AB = AC, the angle B is (2x + 15)° and the angle C is (4x - 5)°. What is x?
A triangle has two sides of 8 cm and 11 cm. Its third side is a whole number of centimetres long. How many different lengths are possible for it? →
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