kellerpaula kellerpaula

25-03-2020
Mathematics

contestada

Please help: Trigonometry
Objective: Use trigonometry functions to find the area of triangles.
In ΔPQR, PQ=12, PR=3, and m< P=78. Find the area of ΔPQR, to the nearest tenth of a square unit

Respuesta :

amna04352 amna04352

25-03-2020

Answer:

17.6 units²

Step-by-step explanation:

½ × a × b × sin(theta)

½ × 12 × 3 × sin(78)

= 17.60665681

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