All of the triangles above are _____ triangles.

Mathematics

2 answers:

Yuki888 [10]3 years ago

7 0

They are all Isosceles

V125BC [204]3 years ago

3 0

Answer:

All of the triangles above are isosceles triangles.

Step-by-step explanation:

From the figure, it can be seen that there are three triangles.

For first triangle, two of the sides of this triangle are equal in measure that is 3 units, therefore the given triangle is an isosceles triangle because in isosceles triangle, two of the three sides of given triangle are equal.

For second triangle, two of the sides of this triangle are equal in measure that is 33 units, therefore the given triangle is an isosceles triangle.

For third triangle, two of the sides of this triangle are equal in measure that is 4 units, therefore the given triangle is an isosceles triangle.

Thus, All of the triangles above are isosceles triangles.

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In an older television set, the screen height is 0.75 times the screen width.

natima [27]

The television set has a rectangular shape. The diagonal of this rectangle along with its width and length together form a right angular triangle.
This means that we can apply the Pythagorean theorem which states that:
(diagonal)^2 = (length)^2 + (width)^2

Let the width be w. We know that the length is 0.75 times the width, this means that: length = 0.75 w

Substitute in the above equation:
(20)^2 = (0.75w)^2 + (w)^2
400 = 0.5625 w^2 + w^2
400 = 1.5625 w^2
w^2 = 256
w = 16

This means that the width of the screen is 16 in.

5 0

3 years ago

In a class full of men and women, 5/9 of the class are women. What is the ratio of men to women in its simplest form?

andrew-mc [135]

Answer:

4/5

Step-by-step explanation:

5x are women

9x are full class

9x - 5x = 4x

4x are men

$\frac{4x}{5x} = \frac{4}{5}$ is the ratio of men to women in its simplest form