Register
Find the area of the triangle.
76.5k views
2 votes
Find the area of the triangle.

Find the area of the triangle.-example-1
User Ozum Safa
by
5.1k points

2 Answers

4 votes

Answer:

(D). 5 km²

Explanation:

QR² = 11² + 14² - 2(11)(14)cos77°

QR ≈ 15.739 km

P = 14 + 11 + 15.739 = 40.739 km

s =
(P)/(2) ≈ 20.37 km


A_(PQR) =
√(20.37(20.37-11)(20.37-14)(20.37-15.739)) ≈ 75 km²

User GeauxEric
by
5.4k points
3 votes
The answer is B
The answer is B
User Govert
by
4.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

What is the value of x? (-4) - x = 5
185g in the ratio 2:3
(3x1,000,000)+(3x100,000)+(2x100) what is this number written in standard form?
The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea
Which of the following would be a good name for the function that takes the length of a race and returns the time needed to complete it? A. Time(race) B. Length(time) C. Length(cost) D. Year(time) E. Cost(time)
Link Copied!