Question 1

(a) $ABCDEFGH$ is a cuboid, with $AB=3m$, $AD=4m$ and $AE=6m$.  Find the length of the line $AC$.

Accepted Answer

$5cm$

Answer

$4cm$

Answer

$6cm$

Answer

$7cm$

Question 2

(b) Find the length $EC$

Accepted Answer

$7.81cm$

Answer

$7.83cm$

Answer

$7.68cm$

Answer

$7.71cm$

Question 3

(c) Find the angle between $EC$ and $CA$

Accepted Answer

$50.2^o$

Answer

$50^o$

Answer

$50.1^o$

Answer

$50.3^o$

Question 4

(a) $VABCD$ is a rectangular pyramid, where $V$ is directly above $O$ the centre of the rectangle $ABCD$.  $VA=12cm, AB=10cm$ and $AD=8cm$.  Find the length $VO$.

Accepted Answer

$6.4cm$

Answer

$6.1cm$

Answer

$6.0cm$

Answer

$6.2cm$

Question 5

(b) Find the height of the pyramid $VABCD$. i.e. the length $VO$.

Accepted Answer

$10.15cm$

Answer

$10.14cm$

Answer

$10.16cm$

Answer

$10.17cm$

Question 6

(c) Find the angle between $VA$ and the base $ABCD$.

Accepted Answer

$57.8^o$

Answer

$57.6^o$

Answer

$57.5^o$

Answer

$57.9^o$

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