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4 years ago

Please hurry 30 points Which triangles area would be calculated using the trigonometric area formula

Mathematics

2 answers:

motikmotik4 years ago

6 0

Answer:

PQR

Step-by-step explanation:

The trigonometric formula requires the length of two sides of the triangle and the included angle to determine the area

A = 1/2 ab sin C

PQR has 2 sides and the included angle

XYZ has 1 sides and the 2 angles

DEF has only 3 sides

ABC has 2 sides but not the included angle

lana66690 [7]4 years ago

6 0

Answer:

Step-by-step explanation:

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AleksAgata [21]

Answer:

x = -1, y = 1

Step-by-step explanation:

2x-y=-3 // y = 2x + 3 (eqn 1)

3x+y=-2 (eqn 2)

sub 1 into 2

3x + 2x + 3 = -2

5x = -5

x = -1

sub x = -1 into eqn 1

y = -2+3

y = 1

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Answer:

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Step-by-step explanation:

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Ratling [72]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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