M1 CHAPTER 13.2 The Converse of Pythagoras’ Theorem

Right-angled triangle ?

• Yes

• No

Right-angled triangle ?

• Yes

• No

Right-angled triangle ?

• Yes

• No

An electrical pole with a height of 6 m is supported by a wire that is pulled tight from the top of the pole to the ground at a distance of 5 m away the pole. The length of the wire is 9 m. is the electrical pole perpendicular to the ground?

• Yes

• No

is PRS a right-angled triangle?

• Yes

• No

Which one shows that PQR is a right-angled triangle? 

•  $26^2>10^2+24^2$  

•  $26^2=10^2+24^2$  

•  $26^2+10^2>24^2$  

•  $26^2<10^2+24^2$  

ABCD is a square with an area 36 $cm^2$ . CDE is a straight line. Calculate the perimeter of the whole diagram.

• 36

• 25

• 45

• 42

Isabella has sticks that are 10cm, 11cm, and 13cm long. Can she place the sticks together to form a right triangle?

• No, because 10 + 11 does not equal 13

• No, because 100 + 121 does not equal 169

• Yes, because there is a small side, medium side and long side

• Yes, because a triangle has 3 sides