The area of the triangle APT is 20 cm2, the angle P = 150 °, the side PT = 10 cm. Determine the length of the side AP.
| November 25, 2020 | education
the area formula is written below
S = 1/2 * sin150 * PT * AP
substitute all known values
sin150 = 1/2 means
20 = 1/2 * 1/2 * 10 * AP
2.5AP = 20
AR = 20 / 2.5
AP = 8
answer: 8
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