Mathematics
Grade 8
15 min
Write and solve equations that represent diagrams
Write and solve equations that represent diagrams
Tutorial Preview
1
Two angles, (x + 20)° and 70°, make a straight line. Find x.
2
A triangle has angles x°, 2x°, and 60°. Find x.
3
A rectangle has width w and length w+5. The perimeter is 34. Find w.
Sample Practice Questions
Easy
Two angles, y° and 45°, form a straight line. Find y.
0.45
1.90
2.135
3.180
Easy
A triangle has angles x°, 50°, and 90°. Find x.
0.30
1.40
2.50
3.140
Easy
A triangle's angles are a°, 70°, and 70°. Find a.
0.40
1.50
2.70
3.110
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