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5 February, 12:20

The length of the small leg of a 30 - 60 - 90 triangle is 5. what is the perimeter of the triangle?

A 5+15 Sqr3

B 15+5 Sqr3

C (5/2) + (15/2) Sqr3

D (15/2) + (5/2) Sqr3

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  1. 5 February, 12:41
    0
    B. 15 + 5√3.

    Step-by-step explanation:

    The ratio of the sides in a 30-60-90 triangle is 1:√3:2.

    So here the lengths of the sides are 5, 5√3 and 10.

    Perimeter = 15 + 5√3.
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