home Interactive Shape Angles
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
ks1 ks3 & ks4 Foundation
ks2 ks4 Higher
ks2 How many right angles are there?
Please enable Java for an interactive construction (with Cinderella).
number of right-angles: 5 6 7 8 9