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sin(M)=x/13

Step-by-step explanation:

since the angle is 90 degrees, angle M=90

so it can be rewritten as sin(90)=x/13

x=13

so sin(M)=1

(also, i know the value of the small leg, its 5 since its a 5,12,13)

Hope this helps

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5