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statuscvo [17]
3 years ago
14

Convert 22.6 square centimeters to square inches (to the nearest hundredth).

Mathematics
1 answer:
irina1246 [14]3 years ago
6 0

Answer:  3.5

Step-by-step explanation:

1sq in= 6.4516 sqcm

1:6.4516=x:22.6

22.6=6.4516x

x=22.6/6.4516

x=3.5

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Cylinder formula
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5(3.14) x 2

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The measure of angle 1 is 3x + 10 and the measure of angle 4 is (4x-15). What is the measure of angle 7
Alex_Xolod [135]
<u><em>Answer:</em></u>
∠7 = 95°

<u><em>Explanation:</em></u>
<u>1- getting the value of x:</u>
In the given figure, angle 1 and angle 4 are vertically opposite angles.
Therefore, they are equal in measurement
This means that:
3x + 10 = 4x - 15
4x - 3x = 10 + 15
x = 25

<u>2- getting the value of angle 4:</u>
We know that:
x = 25 and ∠4 is 4x-15
This means that:
∠4 = 4(25) - 15
∠4 = 85°

<u>3- getting the value of ∠6:</u>
From the given figure, we can see that ∠4 and ∠6 are supplement angles, this means that their summation is 180°.
We have calculated that ∠4 is 85°, therefore:
180 = ∠4 + ∠6
∠6 = 180 - ∠4
∠6 = 180 - 85
∠6 = 95°

<u>4- getting the value of angle 7:</u>
From the drawing, we can note that ∠6 and ∠7 are vertically opposite angles. This means that they are equal in measurements.
Therefore:
∠7 = ∠6 = 95°

Hope this helps :)
5 0
4 years ago
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Which angles are congruent to each other?
igomit [66]

angles dea and bec

this is right

7 0
3 years ago
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Question 13. Please
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Answer:

d

Step-by-step explanation:

Δ OPG is right with hypotenuse OG being the radius of the circle

Using Pythagoras' identity in the right triangle

OG² = OP² + PG²

[ PG = 11 , since OP is the perpendicular bisector of FG ]

OG² = 8² + 11² = 64 + 121 = 185

Δ OQS is right with hypotenuse OS being the radius

Using Pythagoras' identity

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185 = 169 + x² ( subtract 169 from both sides )

16 = x² ( take the square root of both sides )

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