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2 years ago

Hello!

Mathematics

2 answers:

son4ous [18]2 years ago

8 0

Answer:

A = 1/2*6*2.57 = 7.71 km²

avanturin [10]2 years ago

6 0

Answer:

7.71 km²

Step-by-step explanation:

Area of triangle:

A = 1/2bh

We have the value of b but not h.

Added auxiliary segments which help to find the value of h.

See attached for details

sin 40° = h/4
h = 4 sin 40°
h = 2.57 km

The area is:

A = 1/2*6*2.57 = 7.71 km²

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