Question

Let A ={5,8}
B={p,q}
C={r,v}


How many elements are in A×B×C​

Answer 1

Answer:

Step-by-step explanation:

let angle be x°

then it's complement is 5÷4x

5÷4x+x=90°

5x×1+x×4÷4=90°

9x÷4=90°

x=40°

5÷4x

5÷4×40°

50°

Check=

50°+40°=90°

hope this helps

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Step-by-step explanation:

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