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frutty [35]
3 years ago
7

The perimeter of a rectangle with a length of 5 inches

Mathematics
1 answer:
Margarita [4]3 years ago
3 0

Answer:

P = 5+5+x+x = 10 + 2x

Step-by-step explanation:

To get the perimeter of any polygon, all we have to do is add up the lengths of all the sides. In this instance, we have a rectangle with a given side of 5 inches. Unfortunately, this isn't enough information to solve this problem completely. We know that opposite sides of a rectangle have the same length, so two of the sides are 5 inches, but we don't know the length of the other 2 sides, so I will write the length of one of the unknown sides as x. So to find the perimeter, we add up all the sides:

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PLEASE HELP ASAP THE DETAILS ARE BELOW.What is the value of x?
Aloiza [94]

Answer:

x = 30°.

Step-by-step explanation:

The dashes on the three lines indicate that the three lines are of equal lengths. The smaller triangle made out of the three lines (the one with two vertices on the circumference of the circle and one at the center of the circle) is an isosceles triangle. All three of the triangle's interior angles are 60° since it is isosceles.

The line (the one with arrows on its ends) touches the circle at only one point. That line is a tangent to the circle. That line is perpendicular to the segment that connects the center of the circle to the point of tangency. The angle between the two will be 90°.

The largest triangle includes three angles:

  • The angle with the center of the circle as its vertice: 60°;
  • The right angle due to the tangent to the circle: 90°;
  • The angle x°.

What is the value of x?

The three interior angles of a triangle add up to 180°. As a result,

60° + 90° + x° = 180°

x = 180 - 90 - 60 = 30.

6 0
3 years ago
Please help me with this one
scoray [572]

Answer:

2/36

Step-by-step explanation:

The only outcomes that lead to a sum of 3 are (2,1) and (1,2) therefore there is only a 2 in 36 chance of rolling a sum of 3

3 0
3 years ago
Help me, I will appreciate it
AveGali [126]
They are corresponding angles - they are equal
X+95 =4x-10
Add 10 to both sides
X+105 =4x
Subtract x from both sides
105=3x
X=35

35+95= 130
7 0
3 years ago
Does the ratios 13/16 and 1/2 form a proportion?​
SCORPION-xisa [38]

Answer:

im pretty sure it doesn’t

Step-by-step explanation:

4 0
3 years ago
Joshua is 1.45 meters tall. At 2 p.m., he measures the length of a tree's shadow to be 31.65 meters. He stands 26.2 meters away
Lena [83]

Answer:

The height of the tree=8.42 m

Step-by-step explanation:

We are given that

Height of Joshua, h=1.45 m

Length of tree's shadow, L=31.65 m

Distance between tree and Joshua=26.2 m

We have to find the height of the tree.

BC=26.2 m

BD=31.65m

CD=BD-BC

CD=31.65-26.2=5.45 m

EC=1.45 m

All right triangles are similar .When two triangles are similar then the ratio of their corresponding sides are equal.

\triangle ABD\sim \triangle ECD

\frac{AB}{EC}=\frac{BD}{CD}

Substitute the values

\frac{AB}{1.45}=\frac{31.65}{5.45}

AB=\frac{31.65\times 1.45}{5.45}

AB=8.42m

Hence, the height of the tree=8.42 m

6 0
3 years ago
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