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Tema [17]
2 years ago
8

Classify triangle by its Aangles and sides

Mathematics
1 answer:
goldenfox [79]2 years ago
7 0

Answer:

Triangle is a three(3) sided shape i.e it has 3 sides and angles. Triangle can classify based on its side (length and equality) and size of its angles.

Step-by-step explanation:

A, Classification by sides: There are three types of triangle base on sides. These are:

1. Scalene Triangle : This describe triangle that has none of its side to be equal. i.e none of the three sides has no equal length.

2. Isosceles Triangle : This describe triangle that has two of its side equal. Also two of the angles are equal.

3. Equilateral Triangle : This describe triangle that has all its side equal i.e all three sides have equal length.  Also all angles are of equal sizes.

B. Classification by size of angle: There are four types of triangle base on classification by angle:

1. Acute Triangle : This describe triangle with all three angles less than 90 degree.

2. Obtuse Triangle  : This describe triangle that has one of its angle greater than 90 degree

3. Right Angled Triangle :  This describe triangle with one of its angle equal 90 degree.  

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Sally can paint a house in 4 hours; Which means in 1 hour she can paint 1/4th of the house.

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Together in 1 hour they can paint: - 1/4 + 1/6 = 5/12th of the house.

Total Hours for painting the house together will be 12/5 = 2.4 Hours.

So the answer is 2 hours and 24 minutes

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Answer:

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Step-by-step explanation:

The shape is of a rectangle who has got two pairs of opposite sides that are parallel and two pairs of sides that are of equal length of each other with all  the four right angles that makes up total angle of 360 degrees in total. It can be acquired that the area which is equal to length multiply by breadth.

Calculation,

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Assuming that to be 2cm,

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A rectangle is inscribed in a right isosceles triangle, such that two of its vertices lie on the hypotenuse, and two other on th
Rufina [12.5K]

Answer:

Part 1) The base is 25\ in  and the height is 10\ in

Part 2) The base is 7.5\ in  and the height is 18.75\ in

Step-by-step explanation:

case 1) Right isosceles triangle of the left

Let

x------> the base of the rectangle

y----> the height of the rectangle

Remember that

In a right isosceles triangle the lengths of the legs of the triangle is the same

y+x+y=45

2y+x=45 ----> equation A

\frac{x}{y} =\frac{5}{2}

x=2.5y -----> equation B

substitute equation B in the equation A

2y+2.5y=45

4.5y=45

y=10\ in

Find the value of x

x=2.5(10)=25\ in

case 2) Right isosceles triangle of the right

Let

x------> the base of the rectangle

y----> the height of the rectangle

Remember that

In a right isosceles triangle the lengths of the legs of the triangle is the same

y+x+y=45

2y+x=45 ----> equation A

\frac{y}{x} =\frac{5}{2}

y=2.5x -----> equation B

substitute equation B in the equation A

2(2.5x)+x=45

6x=45

x=7.5\ in

Find the value of y

y=2.5(7.5)=18.75\ in

3 0
3 years ago
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