Is It a Right Triangle?

Is It a Right Triangle?

Labelling

Label the sides of each shape and the area of each square.

Drag labels to their correct position on the image

12

13

169

5

144

25

Multiple Choice

Did you get the same answer for the last two slides?

• yes

• no

Because you got 169 for both answers these three numbers form a right triangle.

Multiple Choice

Do side lengths of 5, 12, and 13 form a right triangle?

(Hint: I just gave you the answer.)

• yes

• no

Labelling

Label the sides of each shape and the area of each square.

Drag labels to their correct position on the image

225

64

289

17

15

8

Multiple Choice

Do side lengths of 8, 15, and 17 form a right triangle?

(Hint: Did you get the same answer for the last two questions? If you did, the side lengths can form a right triangle.)

• yes

• no

Labelling

Label the sides of each shape and the area of each square.

Drag labels to their correct position on the image

10

16

100

8

64

4

Multiple Choice

Can side lengths of 4, 8, and 10 form a right triangle?

(Hint: Were the two sums the same? If they are, then the side lengths form a right triangle.)

• yes

• no

Labelling

Label the sides of each shape and the area of each square.

Drag labels to their correct position on the image

841

20

21

441

29

400

Multiple Choice

Can side lengths of 20, 21, and 29 form a right triangle?

• yes

• no