Year 8-9 Maths

 

(1)

The right angle sides of a triangle have a measurement of 11.5 cm long. What is the length of the diagonal (hypotenuse)? round to the nearest hundredth.

 cm
HELP
(2) Find the area of the following shapes if the radius is 3.4 cm. round to the nearest hundredth. Use p = 3.14

HELP
Hexagon cm²
Octagon cm²
Circle cm²
(3)

Complete the following table using the formula given.
y = 4x + (3 × ½)

 HELP
x -6 -5 -4 -3 -2 0 2 3 4 5 6
y
(4)

A tower with a bracing wire from the top to the ground is 18.3 metres long and fixed 13.5 metres from the foot of the tower. How high is the tower? round to the nearest hundredth.

 m    
HELP
(5) A ladder 5 metres long just reaches a window 4.8 metres high. How far is the foot of the ladder from the base of the wall? m
HELP

 

    

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