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What is the measure of ∠P, to the nearest degree? 24° 42° 55° 101° A scalene triangle P Q R. Side P Q is labeled as 5 feet. Side Q R is labeled as 10 feet. Side P R is labeled as 12 feet.
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3 votes
What is the measure of ∠P, to the nearest degree?

24°

42°

55°

101°
A scalene triangle P Q R. Side P Q is labeled as 5 feet. Side Q R is labeled as 10 feet. Side P R is labeled as 12 feet.

What is the measure of ∠P, to the nearest degree? 24° 42° 55° 101° A scalene triangle-example-1
User Antoine Pelisse
by
5.8k points

2 Answers

6 votes

Answer:

55 degrees

Explanation:

i took the test

User Nimisha Shrivastava
by
5.5k points
3 votes

Answer:

55°

Explanation:

use The Law of Cosines

cos p = (PR² + PQ² - QR²) / 2 x PR x PQ

= (144 + 25 - 100) / 120

= 69 / 120

=0.575

∠P = 55°

User Ligaoren
by
6.8k points
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