Card 1 of 22
Which angle is included between sides aaa and bbb?
A
12ab\frac12ab21ab, attained when C=90∘C=90^\circC=90∘.
B
12.0 cm12.0\text{ cm}12.0 cm
C
Angle CCC.
D
The exact value of sin60∘\sin 60^\circsin60∘ is 32\boxed{\frac{\sqrt3}{2}}23.
Card 1 of 22
1.5.3 Area of a triangle Flashcards
22 flashcards on OCR A Level Maths 1.5.3 Area of a triangle: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.