1. Pythagoras – Isosceles Triangles – Answer Maze
Students need to find route from START to FINISH.
The answer to each question can be found in one of the boxes
horizontally, vertically or diagonally from the question box.
The worksheet is in three sizes.

2. Printing To print handouts from slides -
Select the slide from the left. Then click:
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To print double-sided handouts -
Highlight both slides before using ‘Print Selection’.
Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

3. Answer Maze!
Find a route from START to FINISH!

4. FINISH! START! 𝑥=6.3 𝑥=4.3 𝑥=6.8 𝑥=6.7 Find the area of an
isosceles triangle
with sides of
7 cm, 7 cm and 8 cm.
𝑥 cm
7 cm
8 cm 𝑥 𝑥 𝑥
8 cm
9 cm
13 cm
12 cm
6 cm
6 cm
Area = 𝑥 cm2
𝑥=7.4
𝑥=7.7
𝑥=12
𝑥=12.5
𝑥=7.7
Find the area of an
isosceles triangle
with sides of
9 cm, 9 cm and 11 cm.
Find the area of an
isosceles triangle
with sides of
5 cm, 5 cm and 8 cm.
𝑥 cm
7 cm 𝑥 𝑥
5 cm
12 cm
6 cm
10 cm
6 cm
Area = 𝑥 cm2
Area = 𝑥 cm2
𝑥=8
𝑥=6.4
𝑥=29.0
𝑥=39.2
𝑥=6.6
7 cm
9 cm
8 cm
8 cm 𝑥
7 cm
5 cm 𝑥
11 cm
8 cm
𝑥 cm
Area = 𝑥 cm2
6 cm
Area = 𝑥 cm2
7 cm
𝑥=32.2
𝑥=66.3
𝑥=19.9
𝑥=11.5
𝑥=68.2
12 cm
12 cm
6 cm
FINISH!
11 cm
7 cm
10 cm
20 cm
9 cm
Area = 𝑥 cm2
Area = 𝑥 cm2
Area = 𝑥 cm2
Shaded Area = 𝑥 cm2

5. FINISH! START! 𝑥=6.3 𝑥=4.3 𝑥=6.8 𝑥=6.7 Find the area of an
isosceles triangle
with sides of
7 cm, 7 cm and 8 cm.
𝑥 cm
7 cm
8 cm 𝑥 𝑥 𝑥
8 cm
9 cm
13 cm
12 cm
6 cm
6 cm
Area = 𝑥 cm2
𝑥=7.4
𝑥=7.7
𝑥=12
𝑥=12.5
𝑥=7.7
Find the area of an
isosceles triangle
with sides of
9 cm, 9 cm and 11 cm.
Find the area of an
isosceles triangle
with sides of
5 cm, 5 cm and 8 cm.
𝑥 cm
7 cm 𝑥 𝑥
5 cm
12 cm
6 cm
10 cm
6 cm
Area = 𝑥 cm2
Area = 𝑥 cm2
𝑥=8
𝑥=6.4
𝑥=29.0
𝑥=39.2
𝑥=6.6
7 cm
9 cm
8 cm
8 cm 𝑥
7 cm
5 cm 𝑥
11 cm
8 cm
𝑥 cm
Area = 𝑥 cm2
6 cm
Area = 𝑥 cm2
7 cm
𝑥=32.2
𝑥=66.3
𝑥=19.9
𝑥=11.5
𝑥=68.2
12 cm
12 cm
6 cm
FINISH!
11 cm
7 cm
10 cm
20 cm
9 cm
Area = 𝑥 cm2
Area = 𝑥 cm2
Area = 𝑥 cm2
Shaded Area = 𝑥 cm2

6. FINISH! START! 𝑥=6.3 𝑥=4.3 𝑥=6.8 𝑥=6.7 Find the area of an
isosceles triangle
with sides of
7 cm, 7 cm and 8 cm.
𝑥 cm
7 cm
8 cm 𝑥 𝑥 𝑥
8 cm
9 cm
13 cm
12 cm
6 cm
6 cm
Area = 𝑥 cm2
𝑥=7.4
𝑥=7.7
𝑥=12
𝑥=12.5
𝑥=7.7
Find the area of an
isosceles triangle
with sides of
9 cm, 9 cm and 11 cm.
Find the area of an
isosceles triangle
with sides of
5 cm, 5 cm and 8 cm.
𝑥 cm
7 cm 𝑥 𝑥
5 cm
12 cm
6 cm
10 cm
6 cm
Area = 𝑥 cm2
Area = 𝑥 cm2
𝑥=8
𝑥=6.4
𝑥=29.0
𝑥=39.2
𝑥=6.6
7 cm
9 cm
8 cm
8 cm 𝑥
7 cm
5 cm 𝑥
11 cm
8 cm
𝑥 cm
Area = 𝑥 cm2
6 cm
Area = 𝑥 cm2
7 cm
𝑥=32.2
𝑥=66.3
𝑥=19.9
𝑥=11.5
𝑥=68.2
12 cm
12 cm
6 cm
FINISH!
11 cm
7 cm
10 cm
20 cm
9 cm
Area = 𝑥 cm2
Area = 𝑥 cm2
Area = 𝑥 cm2
Shaded Area = 𝑥 cm2

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