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15.1 Pythagoras. Is the triangle right-angled?

Total questions: 10

Worksheet time: 50mins

Name
Class
Date
1.

Look at the triangle. Use Pythagoras' rule to decide if it is right-angled or not.

a)

Yes, because 136 = 136

b)

Yes, because 144 = 144

c)

No, because 136 ≠ 144

2.

Look at the triangle. Use Pythagoras' rule to decide if it is right-angled or not.

a)

Yes, because 289 = 289

b)

Yes, because 277 = 277

c)

No, because 277 ≠ 289

3.

Look at the triangle. Use Pythagoras' rule to decide if it is right-angled or not.

a)

Yes, because 361 = 361

b)

Yes, because 305 = 305

c)

No, because 305 ≠ 361

4.

Think of a triangle with these lengths. Use Pythagoras' rule to decide if it is right-angled or not, and name the angle at which the right-angle is located.

a)

No

b)

Yes, right-angle at A.

c)

Yes, right-angle at B.

d)

Yes, right-angle at C.

5.

Think of a triangle with these lengths. Use Pythagoras' rule to decide if it is right-angled or not, and name the angle at which the right-angle is located.

a)

No

b)

Yes, right-angle at A.

c)

Yes, right-angle at B.

d)

Yes, right-angle at C.

6.

Think of a triangle with these lengths. Use Pythagoras' rule to decide if it is right-angled or not, and name the angle at which the right-angle is located.

a)

No

b)

Yes, right-angle at A.

c)

Yes, right-angle at B.

d)

Yes, right-angle at C.

7.

Think of a triangle with these lengths. Use Pythagoras' rule to decide if it is right-angled or not, and name the angle at which the right-angle is located.

a)

No

b)

Yes, right-angle at P.

c)

Yes, right-angle at Q.

d)

Yes, right-angle at R.

8.

Think of a triangle with these lengths. Use Pythagoras' rule to decide if it is right-angled or not, and name the angle at which the right-angle is located.

a)

No

b)

Yes, right-angle at P.

c)

Yes, right-angle at Q.

d)

Yes, right-angle at R.

9.

Think of a triangle with these lengths. Use Pythagoras' rule to decide if it is right-angled or not, and name the angle at which the right-angle is located.

a)

No

b)

Yes, right-angle at P.

c)

Yes, right-angle at Q.

d)

Yes, right-angle at R.

10.

Think of a triangle with these lengths. Use Pythagoras' rule to decide if it is right-angled or not, and name the angle at which the right-angle is located.

a)

No

b)

Yes, right-angle at A.

c)

Yes, right-angle at B.

d)

Yes, right-angle at C.