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

Question

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] · Answer 1 · 2022-03-05T04:24:43+03:00

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] · Answer 2 · 2022-03-05T06:04:22+03:00

elixir [45]3 years ago

3 0

Answer:

its A

Step-by-step explanation:

i just took the quiz.