Respuesta :
Answer:
m∠4=160°
m∠6=20°
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
m∠6+m∠4=180° ----> equation A (by consecutive interior angles)
m∠6=(1/8)m∠4 ---> equation B
substitute equation B in equation A
(1/8)m∠4+m∠4=180°
Solve for m∠4
(9/8)m∠4=180°
m∠4=180°(8)/9
m∠4=160°
Find the measure of m∠6
m∠6=(1/8)m∠4
m∠6=(1/8)(160°)=20°
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∠4 = 160°, ∠6 = 20°
Explanation:
Given that measure of angle 6 is 1/8 of measure of angle 4. Find the measures of these two angles if a∥b .
- 1. a∥b Given
- 2. m∠6= 1 8 m∠______ Given
- 3. m∠6+m∠4 =________ __________________________
- 4. m∠6+8m∠_______ = 180° Substitution
- 6. m∠6 =____, m∠4=_____ Algebra
An angle is the figure formed by two rays sharing a common endpoint, called the vertex of the angle
There are two angles that can form such as
Supplementary Angles: if both angles are added = 180 ° . Notice that together they make a straight angle, but the angles itself are don't have to be together. For example these two angles 40° and 140° are Supplementary Angles, because they add up to 180 °
Complementary Angles: if both angles are added = 90°. Two angles are Complementary when they are add up to 90 degrees (a Right Angle). For example these two angles (40° and 50°) are Complementary Angles, because they add up to 90°
According to the attached figure, ∠6 and ∠4 are Supplementary Angles
[tex]<6 = \frac{1}{8} <4\\Let x = <4, then\\[/tex]
[tex]x + \frac{1}{8} = 180°\\8x + x = 1440°\\x = 160°[/tex]
Therefore,
[tex]<4 = 160°, <6 = 20°[/tex]
Hope it helps!
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