16:00
1 of 5
Higher
Calculator
G20 Pythagoras and trigonometry
Question 1 · 3 marks
Spec and skills
Paper scope: Papers 2/3: calculator practice
Spec G20
Original practice question
Answer and supported method checks
A
B
C
ABC
A
B
C
is a triangle.
D
D
D
is the point on
B
C
BC
B
C
such that
A
D
AD
A
D
is perpendicular to
B
C
BC
B
C
.
A
B
=
15
AB = 15
A
B
=
15
cm, angle
A
B
D
=
40
∘
ABD = 40^\circ
A
B
D
=
4
0
∘
and
D
C
=
8
DC = 8
D
C
=
8
cm.
15 cm
8 cm
40
∘
40^\circ
4
0
∘
B
D
C
A
Work out the size of angle
A
C
D
ACD
A
C
D
.
Give your answer correct to 1 decimal place.
°