Vocabulary
True or False
Square and Square Root
With diagrams
Word problems
100
What type of angle is 90 degrees?
right angle
100
True or False: Pythagoras' Theorem states that a+b=c
False
100
What does it mean to square a number?
multiply it by itself
100
Calculate the length of the Hypotenuse (to 2 dp):
7.62
200
What is the name for the longest side of a right-angled triangle?
hypotenuse
200
True or False: The hypotenuse is the longest side of a right triangle.
True
200
What does it mean to take the square root of a number?
find what squared gives the original number
200
Calculate x (to 2 dp):
19.24
300
What is the name of this symbol: √
square root
300
True or False: The Pythagorean Theorem works on ANY triangles, no matter what shape or size.
False
300
What is 82 ?
64
300
Calculate the length of the hypotenuse:
26
300
A rectangular board is to be cut along one of its diagonals. The board is 100 cm wide and 300 cm high. What will be the length of the cut, to the nearest whole number.
316 cm
400
What is the square root of 27, to 2 decimal places?
5.19615... which is rounded to 5.20 (2 decimal places)
400
Calculate x (to 2 dp):
23.24
400
A 6 metre ladder rests against a wall and its foot is 3 metres away from the base of the wall. How high does the ladder reach up the wall?
Answer correct to 1 decimal place
5.2 m
500
What does it mean to leave your answer 'in exact form'?
Leave the expression with the square root and not write it as a decimal.
500
What is the length of bd?
12cm
500
Find the height of an equilateral triangle whose sides are 16 cm. Answer correct to 2 decimal places.
13.86 cm