The measure of the side PR in PQR is 8.07 units and the measure of angle J in JKL is 35.30 degree.
The triangle can be defined as a three-sided polygon in geometry, and it consists of three vertices and three edges. The sum of all the angles inside the triangle is 180°.
Applying cos law in the triangle PQR:
[tex]\rm PR = \sqrt{5^2+9^2-2(5)(9)cos63}[/tex]
PR = 8.07 units
Applying sin law in the triangle, JKL:
[tex]\rm Angle \ J = sin^{-1}[sin 52 \ (\dfrac{11}{15})][/tex]
Angle J = 35.30 degree
Thus, the measure of the side PR in PQR is 8.07 units and the measure of angle J in JKL is 35.30 degree.
Learn more about the triangle here:
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