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Missing Angles in Triangles
Missing Angles in Quadrilaterals
Changing Improper Fractions into Mixed Numbers
Changing Mixed Numbers into Improper Fractions
Changing Decimals into Fractions
100
Find the missing angle in this triangle : 60, 60, ?
60 + 60 = 120 180 - 120 = 60 ? = 60
100
Find the missing angle in this quadrilateral: 27, 153, 27, ?
27 + 153 + 27 = 207 360 - 207 = 153 ? = 153
100
19/7
19/ 7 = 2 5/7
100
4 1/2
4 1/2 = 9/2
100
0.25
0.25 = 25/100 - 1/4
200
Find the missing angle in this triangle: 45, 45, ?
45 + 45 = 90 180 - 90 = 90 ? = 90
200
Find the missing angle in this quadrilateral: 48, 132, 48, ?
48 + 132 + 48 = 228 360 - 228 = 132 ? = 132
200
21/5
21/5 = 4 1/5
200
3 3/4
3 3/4 = 15/4
200
0.5
0.5 = 5/10 = 1/2
300
Find the missing angle in this triangle: 29, 67, ?
29 + 67 = 96 180 - 96 = 84 ? = 84
300
Find the missing angle in this quadrilateral: 25, 130, 89, ?
25 + 130 + 89 = 244 360 - 244 = 116 ? = 116
300
17/3
17/3 = 5 2/3
300
5 2/3
5 2/3 = 17/3
300
0.75
0.75 = 75/100 = 3/4
400
Find the missing angle in this triangle: 127, 16, ?
127 + 16 = 143 180 - 143 = 37 ? = 37
400
Find the missing angle in this quadrilateral: 39, 167, 87, ?
39 + 167 + 87 = 293 360 - 293 = 67 ? = 67
400
13/6
13/6 = 2 1/6
400
4 5/6
4 5/6 = 29/6
400
0.2
0.2 = 2/10 = 1/5
500
Find the missing angle in this triangle: 121, 32, ?
121 + 32 = 180 - 153 = 27 ? = 27
500
Find the missing angle in this quadrilateral: 16, 54, 121, ?
16 + 54 + 121 = 191 360 - 191 = 169 ? = 169
500
17/2
17/2 = 8 1/2
500
3 3/4
3 3/4 = 15/4
500
0.4
0.4 = 4/10 = 2/5