Linear Equations

Consider the triangle shown below:

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a

Determine the gradient of the line segment $AB$`A``B`.

b

Similarly, determine the gradient of side $AC$`A``C`:

c

Next determine the length of the side $AB$`A``B`.

d

Now determine the length of the side $AC$`A``C`.

e

Hence state the type of triangle that has been graphed. Choose the most correct answer:

An equilateral triangle.

A

An acute isosceles triangle.

B

An isosceles right-angled triangle.

C

A scalene right-angled triangle.

D

An equilateral triangle.

A

An acute isosceles triangle.

B

An isosceles right-angled triangle.

C

A scalene right-angled triangle.

D

Easy

Approx 9 minutes

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