Lynn Byrd, Greg Byrd and, Chris Pearce Solutions for Chapter: Shapes, Area and Volume, Exercise 4: Exercise 15.3

Work out the area of the given triangle in ${\mathrm{cm}}^2$.

Work out the area of the given triangle in ${\mathrm{cm}}^2$.

Work out the area of the given triangle in ${\mathrm{cm}}^2$.

Work out the area of the given triangle in ${\mathrm{mm}}^2$.

Work out the area of the given triangle in ${\mathrm{m}}^2$.

Work out the area of the given triangle in ${\mathrm{cm}}^2$.

In the given diagram , the rectangle has a base length of $55 mm$ and a height of $10 mm$. The triangle has a base length of $120 mm$ and a height of $40 mm$. Find the area of shaded part in square centimeters.

Marcus says:

Is Marcus correct? Explain