A carpenter needs to cut a small triangular pice of wood for part of a jewelry box. He knows the dimension shown and that 0=68°. What is the length of a to the nearest tenth of a centimeter?

36.0 cm

Step-by-step explanation:

use cosine to find the value of a

cos(68) = a/96    Multiply both sides by 96

a = cos (68) * 96

a = 35.96

Round to nearest tenth: 36.0 cm

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answer: d.) the total number of protons and neutrons is 15

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