___sides of equal length
___acute angel(s)
___right angle(s)
___obtuse angle(s)

The triangle is _and_.

__2_sides of equal length

__2_acute angels

__0_right angle(s)

_1__obtuse angle

The triangle is _isoscelesand_obtuse.

Step-by-step explanation:

if this is the right triangle the longest side will be √162≈ 12.7

the longest side is 15 so the vertex angle is obtuse

answer: for each 3 girls there is 2 boys . 3: 2

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