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stealth61 [152]
3 years ago
5

Study the triangle. What can you conclude about the angle measures? The angle measures are 30°, 60°, and 90°. The angle measures

are 45°, 45°, and 90°. The triangle has a 90° angle, but the other angle measures cannot be determined.
Mathematics
2 answers:
adelina 88 [10]3 years ago
3 0

Answer:

In the given triangles all the triangles have one angle equals to 90° so, all three triangles are right angled triangle.

Step-by-step explanation:

If a triangle has one angle equals to 90° then that triangle is called right angled triangle.

In the given triangles all the triangles have one angle equals to 90° so, all three triangles are right angled triangle.

1) The angle measures are 30°, 60°, and 90°.

One angle is 90° and is right so the triangle is right angled triangle, the other two angles are 30° and 60°. The sum of all angles is equal to 180°

2)  The angle measures are 45°, 45°, and 90°

This is an isosceles right angled triangle because one angle is 90° and other two angles are same i.e 45°

3) The triangle has a 90° angle, but the other angle measures cannot be determined.

If one angle is 90° then the other two angles will be less than 90°(acute angles) and the sum of all three angles would be equal to 180°

katrin [286]3 years ago
3 0

Answer:

A.  The angle measures are 30°, 60°, and 90°.

on edge

Step-by-step explanation:

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Landon scored an 85% on his test. If he got 34 problems correct, how many were on the test?
Sergeu [11.5K]

Answer:

There are 40 problems on the test

Step-by-step explanation:

Let p = the number of problems on the test

The number of problems on the test times the percent correct is the number correct

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p * .85 = 34

Divide each side by .85

p * .85/.85 = 34/.85

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Hatshy [7]

Answer:

Greatest population density: Denmark

Smallest population density: The U.S.

Step-by-step explanation:

Population density = population / area

So let's find the population density of each country

For U.S

Population: 272,648,000

Area: 9,364,520 sq km

Population density: 272,648,000/9,364,520=29.1 ( rounded to the nearest tenth )

So the population density of the U.S is 29.1 people per sq km

For Denmark

Population: 5,248,000

Area: 42,077

Population density: 5,248,000/42,077=124.7 ( rounded to the nearest tenth )

So the population density of Denmark is 124.7 people per sq km

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Population: 18,339,000

Area: 237,533

Population density: 18,339,000/237,533=77.2 ( rounded to the nearest tenth ).

So the population density of Ghana is 77.2 people per sq km

Now that we have calculated the population density of each country let's look back at the question

Which country has the greatest population density? Which country has the least?

Looking at the population densities we can conclude that Denmark has the largest population density at 124.7 people per sq km and the U.S. has the smallest population density at 29.1 people per sq km

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