Enrichment in Mathematics –Shape, Space and Measure
Construct It!
Teachers Notes
This could be used for a starter, extension or plenary activity.
Pupils will need protractors and compasses.
Pupils may wish to use the Geogebra file to explore possibilities. The points
ABD are fixed, point C can be moved. Additional objects can be added to
simplify the search.
The Geogebra solution file shows both possible solutions:
Construct it file
Construct it solution
Solution
approximately 73° or 48°
D
C
C
A
Worcestershire Numeracy Team
B
Enrichment Activities
Enrichment in Mathematics –Shape, Space and Measure
Construct It!
ABCD is a quadrilateral.
AB = 8 cm
BC = 3·3 cm
CD = 5·4 cm
DA = 7·5 cm
A = 65°
Construct ABCD and measure angle D.
Worcestershire Numeracy Team
Enrichment Activities