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- When two lines intersect at the point of their intersection, an angle is formed, it is important to learn about angles as they form the basis of geometry, the two rays that make up the angle are known as the sides of the angle. , it is not necessary for an angle to be formed by the intersection of two straight lines it can also be formed by the intersection of two curved linesAcute angle: an angle of less than 90 degreesRight Angle - An angle that is exactly 90 degrees.Obtuse angle: an angle of more than 90 degrees and less than 180 degreesRight Angle - An angle that is exactly 180 degrees.Reflex angle: an angle greater than 180 degrees and less than 360 degrees
- Types of angles acute, right obtuse straight
- Right angle
- Reflex angle
- Less that 90'
- Acute
- 90'
- Straight
-
- Acute angle
- The Angles
- obtuse
- more than 90'
- Plaints
- 180'
- Complete
- 360'
- Obtuse angle
- 1.
- 5 (12) + 8 60 + 8 685 x + 8
- Equations with angles
- Problems
- + (5x+8) + (10x-8)= 1805x+8 + 10x -8= 18015x = 180x=18015 = 12
- 10 (12) -8 120 -811210x-8
- 2.
- x+20+4x-12+3x+2=90x+4x+3x=90-20+12-28x=80x=808x=10
- 30'
- 28
- 30/ 28/ 32
- 32
- 4x-12=4 10-12=
- 3x+2=3 10 +2
- 3.
- 4(24.29) -790.164x-7
- 7x= 170x= 1707 - 24.29
- 4(24.29) +957.582x=9
- 24.29 +8= 32.29x+8
- https://virtualnerd.com/middle-math/geometric-figures/angles/acute-obtuse-right-straight-angle-definition
- https://www.vedantu.com/maths/types-of-angles#:~:text=Acute%20Angle%20%2D%20An%20angle%20less,and%20less%20than%20360%20degrees.
- Links
- https://www.splashlearn.com/math-vocabulary/geometry/angle
- https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-unknown-angle-algebra/v/example-using-algebra-to-find-measure-of-complementary-angles
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