In a triangle angle 1 = x - 40 , angle 2 = x - 20 , angle 3 = x by 2 - 10 find the value of x
In a triangle angle 1 = x - 40 , angle 2 = x - 20 , angle 3 = x by 2 - 10 find the value of x
aravind , 9 Years ago
Grade 12
9 grade maths> In a triangle angle 1 = x - 40 , angle 2 ...
1 Answers
Malar Jeyaseelan
Last Activity: 9 Years ago
1 angle= x-40
2 angle=x-20
3 angle=-x/8
angles of a trianglle =180
therefore,
angle1+angle2+angle3=180
x-40+x-20-x/8=180
2x-x/8-60=180
15x/8=240
15x=1920
x=128
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Other Related Questions on 9 grade maths
In the figure (not to scale) AB = CD, angle DAP = angle DPA and A,B,C,D are concycli. If angle ADC = 80°, then find angle ACD.
In the figure (not to scale) AB = CD, angle DAP = angle DPA and A,B,C,D are concycli. If angle ADC = 80°, then find angle ACD.
9 grade maths
1 Answer Available
Last Activity: 3 Years ago
What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6m ? Assume that the extra length of material that will be required for stitching and wastage in cutting is approximately 20cm ( Use pi= 3.14)
What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6m ? Assume that the extra length of material that will be required for stitching and wastage in cutting is approximately 20cm ( Use pi= 3.14)
9 grade maths
1 Answer Available
Last Activity: 3 Years ago