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2 years ago

HELPPPP NOWWWW ITS TIMEDD

Mathematics

2 answers:

PSYCHO15rus [73]2 years ago

6 0

Answer:

145°

Step-by-step explanation:

The angle of a straight line will always be 180.

The sun of all angles in a triangle will always be 180.

We can find the value of angle c by taking 145 away from 180.

180 - 145 = 35

Now that we know angle c, to find the sum of angles a and b, we take 35 away from 180.

180 - 35 = 145

Dvinal [7]2 years ago

6 0

Answer:

45 degrees

Step-by-step explanation:

You can see that angle C is obtuse and Angle A and B are obviously not obtuse or right angles, so the only answer left is 45

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Greenfield village is spread across 240 acres of land. Only 37% of the land is used for the exhibits, while the rest of the land

Sergeeva-Olga [200]

Answer:

The land which are used for exhibits are 89 acres (approximately).

Step-by-step explanation:

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Village is spread across 240 acres of land. 37% of land is used for the exhibits.

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According to question:

37% of 240 acres of land.

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3 years ago

Match the angles that are greater than 90° with their reference angles.

storchak [24]

For angles in first quadrant, the reference angle is itself. In second quadrant, the equation would be 180 - x where x is the measure of the angle. In third quadrant, x - 180. Lastly, in the fourth quadrant, the reference angle is 360 - x. From the second set of angles in the given, the reference angles are.
(1) 135 ; RA = 180 - 135 = 45
(2) 240; RA = 240 - 180 = 60
(3) 270; RA = 90 (lies in the y - axis)
(4) 330; RA = 360 - 330 = 30

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2 years ago