Question

A triangle exists at the following coordinates A(2, 3) B(11, 3). C(5, 10). Find the height, base, and area of the triangle. Explain yourself to the best of your ability. This question is an assessment question.

Answer 1

Whoa! You made a rectangle that's twice as big as the triangle! The area of the rectangle is
b
h
=
4
×
5
=
20
bh=4×5=20b, h, equals, 4, times, 5, equals, 20 square units, so the area of the triangle is
1
2
b
h
=
1
2
×
4
×
5
=
10
2
1
​
bh=
2
1
​
×4×5=10start fraction, 1, divided by, 2, end fraction, b, h, equals, start fraction, 1, divided by, 2, end fraction, times, 4, times, 5, equals, 10 square units.