You can bisect an angle using the paper folding technique
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a. true
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b. false
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TRUE

Step-by-step explanation:

If you fold so the vertex of the angle is through the fold, and the two rays of the angle are pressed into coincidence by the process of folding, the fold will be an angle bisector.

45

step-by-step explanation:

30+15

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5