Find the perimeter of this figure. Answers choices 40 m 20 m 100 m 80 m

Mathematics

2 answers:

ohaa [14]3 years ago

5 0

4 congruent sides, each 10 m, so perimeter 10+10+10+10 =

Answer: 40 m

tatyana61 [14]3 years ago

3 0

The answer is 40m since they are all congruent

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Which triangle is it ?

coldgirl [10]

The answer is: The first triangle. The reasons are shown below:

1. All the triangles are rigth triangles, because they have an angle of 90°. So, let's calculate the others angles of the first one:

Tan(α)^-1= opposite leg/adjacent leg

Opposite leg=5
Adjacent leg=5√3

Tan(α)^-1= 5/5√3
Tan(α)^-1=30°

2. Let's calculate the other angle:

Tan(α)^-1= opposite leg/adjacent leg

Now, the opposite leg will be 5√3 and the adjacent leg will be 5. Then:

Tan(α)^-1= 5√3/5
Tan(α)^-1=60°

As you can see, the angles of first triangle are: 30°,60° and 90°.

5 0

3 years ago

Sorry for annoying you guys just need answers

anzhelika [568]

What type of math is this??? Geometry? Algebra?

7 0

2 years ago

2. Solve for x: 2(x - 5) = x + 3(x + 2)

MrMuchimi

Answer:

x=-8

Step-by-step explanation: