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Geometry
Paper 1 · Geometry
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The diagram shows a right-angled triangle with sides of length
6
6
6
,
8
8
8
and
10
10
10
. A circle is drawn inside the triangle so that it touches all three sides. What is the radius of the circle?
6
8
10
A
1
1
1
B
2
2
2
C
12
5
\tfrac{12}{5}
5
12
D
3
3
3
E
24
5
\tfrac{24}{5}
5
24
F
5
5
5
Hint
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