1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Natasha2012 [34]
3 years ago
15

Triangle E D F is shown. The length of E F is 8 and the length of D F is 5. Angle E D F is 116 degrees and angle D F E is 31 deg

rees.
Trigonometric area formula: Area = One-half a b sine (C)

What is the area of triangle DEF? Round to the nearest tenth of a square unit.

10.3 square units
18.0 square units
20.0 square units
20.6 square units
Mathematics
2 answers:
matrenka [14]3 years ago
7 0

Answer:

10.3

Step-by-step explanation:

Triangle E D F is shown. The length of E F is 8 and the length of D F is 5. Angle E D F is 116 degrees and angle D F E is 31 degrees.

Trigonometric area formula: Area = One-half a b sine (C)

What is the area of triangle DEF? Round to the nearest tenth of a square unit.

10.3 square units

18.0 square units

20.0 square units

20.6 square units

elixir [45]3 years ago
3 0

Answer:

its A

Step-by-step explanation:

i just took the quiz.

You might be interested in
Math question help answering please
gavmur [86]
The answer is 290. First calculate the area of the rectangle part on the bottom. area=20*9=180 square yards. Then calculate the area of the triangle on the top. Base length is 20, while the height is 20-9=11, so the area is 20*11/2=110. 180+110=290 square yards in total.
7 0
3 years ago
Read 2 more answers
Math problem help me to do this ​
Alla [95]

Answer:

um..

Step-by-step explanation:

6 0
3 years ago
Express a ratio in the form of 1:n<br> 5:45
Radda [10]

Answer:

1:9

Step-by-step explanation:

you divide both sides by the right number

for example the right number in this one is 5 so u divide 5 by it self and 5 by 45 to get your answer

6 0
2 years ago
log 95 The expression Tog2 is the result of applying the change of base formula to a logarithmic expression. Which could be the
Ivanshal [37]

Answer:

third option: log_2  1/3

Step-by-step explanation:

change of base formula:

log_b  a= (log_x a)/(log_x b)

(log 1/3)/(log 2)

apply reverse change of base formula

2 from log 2 becomes new base, and 1/3 becomes the other number

=log_2  1/3

7 0
2 years ago
You go to a party which has 1000 guests (including you)., probability that at least 2 have the same birthday as you
agasfer [191]
The probability is 0.7584.
3 0
3 years ago
Other questions:
  • Sergio has 79 paintings in his art collection. He and other local painting collectors agreed to donate some paintings to the loc
    9·1 answer
  • 325.4 miles on 17.3 gallons
    5·1 answer
  • What is the value of   for x = 2 and y = –4?
    5·1 answer
  • You need 70 bookmarks for a craft fair you begin with 35 bookmarks and make 10 bookmarks each hour. Write an expression that rep
    15·1 answer
  • Decimals on the Number Line and Rounding Decimals
    8·1 answer
  • 5x - 2 = 10 - x <br> Please help fast thankyou
    9·2 answers
  • Please help <br> A. SAS<br> B. AAS<br> C. HA<br> D. LL<br> E. ASA<br> F. HL
    11·1 answer
  • Are these fractions equivalent to
    10·2 answers
  • Andrew has 56 candy bars. He gives 3/8 of them to his sister. How many candy bars does he give to his sister?
    15·1 answer
  • There are 12 pounds of dirt to be shared equally among 8 flowerpots.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!