Question 1
NOT TO SCALE
The diagram shows triangle ABC. M is the midpoint of AC.
Triangle ABC is rotated about centre M. The image and the original triangle together form a quadrilateral ABCD.
Find angle BAD.
NOT TO SCALE
The diagram shows triangle ABC. M is the midpoint of AC.
Triangle ABC is rotated 180∘ about centre M. The image and the original triangle together form a quadrilateral ABCD.
Find angle BAD.
68
M1 for 180-112, or for 180-112-44 oe
NOT TO SCALE
Show that two regular octagons and a square meet at a point without any gaps.
135+135+90=360
The diagram shows an isosceles triangle.
NOT TO SCALE
Find the value of x.
98
M1 for x+41+41=180 oe or better