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Answers
Answer: 110°
Step-by-step explanation:
The total sum of quadrilateral is 360°
360° = 55 + 125 + 70 + x
360° = 250 + x
360 - 250 = x
110° = x
Hence, the last side of the quadrilateral is 110°
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Answer:
4) 110 Degree
5)
(a)= 3x=3*15=45 Degree
= 5x=5*15=75 Degree
= 7x=7*15=105 Degree
= 9x=9*15=135 Degree
(b)= 2x=2*30=60 Degree
= 2x=2*30=60 Degree
= 3x=3*30=90 Degree
= 5x=5*30=150 Degree
Step-by-step explanation:
Angles of a Quadrilateral = Angle A+B+C+D=360 Degree
4) Let he other angle be 'x'
= 55+125+70+x=360
= 250+x=360
= x=360-250
= x= 110 Degree
5)
(a)= 3:5:7:9
Let the angles be 'x'
= 3x+5x+7x+9x=360
= 24x=360
= x=360/24
= x=15
= 3x=3*15=45 Degree
= 5x=5*15=75 Degree
= 7x=7*15=105 Degree
= 9x=9*15=135 Degree
(b)2:2:3:5
Let the angles be 'x'
= 2x+2x+3x+5x=360
= 12x=360
= x=360/12
= x=30
= 2x=2*30=60 Degree
= 2x=2*30=60 Degree
= 3x=3*30=90 Degree
= 5x=5*30=150 Degree
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