In ΔEFG, e = 2.6 cm, f = 7.2 cm and g=8.3 cm. Find the measure of ∠F to the nearest degree.
2 answers:
Answer:
Step-by-step explanation:
<u>Use the law of cosines:</u>
- cos F = (e² + g² - f²)/2eg
- cos F = (2.6² + 8.3²- 7.2²)/2(2.6)(8.3)
- = 0.5516
- ∠F = arccos 0.5516
- ∠F = 57° (rounded to the nearest degree)
Answer:
57
Step-by-step explanation:
cos F = (e² + g² - f²)/2eg
cos F = (2.6² + 8.3²- 7.2²)/2(2.6)(8.3)
= 0.5516
∠F = arccos 0.5516
∠F = 57° (rounded to the nearest degree)
You might be interested in
Answer:
f(30)= 75
Step-by-step explanation:
3(30)-15
90-15
75
facotr -9
add factors
-1+9=8
correct
Answer: A. 56 cm2
Step-by-step explanation: 112/2=56 and I divided it because Triangle B is twice of Triangle A.
Answer:
84 products
Step-by-step explanation:
Answer:
2
Step-by-step explanation: