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professor190 [17]
2 years ago
6

What is the value of 'x'?

Mathematics
1 answer:
svp [43]2 years ago
3 0

Answer:

93

Step-by-step explanation:

All the angles in a triangle add up to 180 degrees.

52 + 35 + x = 180

87 + x = 180

x = 93 degrees

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If a 12 sided regular polygon rotates about its center at which angle of rotation will the image of the polygon coinside with th
Amanda [17]

Answer: 30 degrees

This is the minimum amount of rotation.

Why this value? Well because 360/12 = 30

Consider a triangle with 3 sides. Specifically I mean an equilateral triangle. We can rotate it 120 degrees to have it line up with itself. Now notice that 360/3 = 120.

For a square, we can rotate it 90 degrees and we can say 360/4 = 90

So the general rule is that the minimum angle of rotation is 360/n, where n is the number of sides. This rule only works for regular polygons. Regular polygons have the same side length and the same angle measure (the side and angle measure won't necessarily be equal).

So going back to this 12 sided dodecagon, we have n = 12 and 360/n = 360/12 = 30 as the minimum angle of rotation. Each 30 degree rotation will have the polygon match up perfectly with its old image. The preimage and image will be identical.

6 0
3 years ago
Formula for triangle are
Greeley [361]

The formula for a triangle:

Base times height divided by 2

Equation Form:

b×h÷2

6 0
3 years ago
Please try to explain the answer and I'll mark the Brainliest.
laiz [17]

Inside a triangle, all inside angles add up to 180°

So, add the two angles:

26.4°+33.7°=60.1°

180°-60.1°=119.9°

b=119.9°

6 0
3 years ago
Read 2 more answers
ew if you're attracted to those mexican boys with the dirty permed hair and who sags their pants and smell musty too then stay a
nlexa [21]

Answer:

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8 0
2 years ago
You have saved $342$342 and want to go shopping for a few things. You buy a pair of shoes for $73$73, a pair of jeans for $38$38
Xelga [282]
The answer is $162 you take the prices of what she bought and add them together which is $73+$38+$64=$180
then you subtract the $180 from $342 which is $342-$180=$162
so the answer is $162

342 - 180 = 162
5 0
3 years ago
Read 2 more answers
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