**Workout**

Question 1

(a) Right angle

(b) Scalene

(c) Isosceles

(d) Equilateral

(e) Isosceles

(f) Scalene

Question 2

Isosceles right angle triangle … or … Right angled isosceles triangle

Question 3: A triangle like Q1(a)

Question 4: A triangle like Q1(c)

Question 5: A triangle like Q1(b)

Question 6: A triangle like Q1(d)

**Apply**

Question 1: Isosceles

Question 2: Equilateral

Question 3:

(a) False

(b) True

(c) True

Question 4:

The lengths of the two shorter sides need to add together to be larger than the longest side in order for the sticks to make a triangle.

or… the two shorter sticks would not meet if they were joined to the ends of the 10cm stick.

Question 5:

The angles in a triangle add together to equal 180°. If there is a right angle (90°) and an obtuse (greater than 90°), then just those two angles add together to greater than 180°.

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