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Lelechka [254]
3 years ago
13

Select all of the rigid motions below.

Mathematics
1 answer:
dedylja [7]3 years ago
5 0
Reflection, translation, rotation
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Help with the following photo
lakkis [162]

Step-by-step explanation:

The solution is in the attached file

8 0
2 years ago
The side lengths of a triangle are 5, 10, and 13. Is this a right triangle?
Zarrin [17]

Answer:

Step-by-step explanation:

5²+10²=25+100=125

13²=169

so 5²+10²≠13²

so it is not a right angled triangle.

5 0
3 years ago
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Find the area of the equilateral triangle.if its perimeter is 24cm​
mezya [45]

Answer:

16√3 cm²

Step-by-step explanation:

The perimeter of a triangle is the sum of its all three sides. Since this is an equilateral triangle, all sides are equal.

Let's consider one side of the triangle to be 'x'

Givent that, the perimeter is 24cm,

The equation should be x + x + x = 24

⇒3x = 24

∴ x = 8 cm

To find the area of the triangle, we need to find the height, and for that, we can use trigonometry.

Since it is an equilateral triangle, all angles are exact 60°.

let's draw a line and mark it as 'h'.

we can use sine formula to find out the opposite i.e. h

sin∅ = opposite ÷ hypotaneous

sin 60° = h ÷ 8

h = 8 sin 60°

h= 4√3

Now, let's find the area

Area = 1/2 × base × height

Area = 1/2 × 8 × 4√3

area= 16√3 cm²

7 0
3 years ago
Step by step on how to solve this equation 2 x + 3 = x − 4 because I fogot how to do basic math
valentina_108 [34]

Answer:

-7

Step-by-step explanation:

2x +3 =x-4

2x - x =-4 - 7

x=-7

4 0
3 years ago
The information is in the picture PLEASE HELP ME
abruzzese [7]

Answer:

The answer is A

Step-by-step explanation:

2t(t-4)

(2t x t)(2t x -4)

2t^2 - 8t

4 0
2 years ago
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