The side length of an equilateral triangle is 4 cm, as shown in the diagram below.
Which one of the following is not a correct calculation for the area of this triangle?
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GEOMETRY, FUR1 2006 VCAA 5 MC
A block of land is triangular in shape.
The three sides measure 36 m, 58 m and 42 m.
To calculate the area, Heron’s formula is used.
The correct application of Heron’s formula for this triangle is
GEOMETRY, FUR1 2013 VCAA 2 MC
The distances from a kiosk to points
The angle between the lines joining these points to the kiosk is 63°.
The distance, in m, across the pond between points
A.
B.
C.
D.
E.
GEOMETRY, FUR1 2009 VCAA 2 MC
The area (in m2) of triangle
A.
B.
C.
D.
E.