FOURTH QUARTERLY ASSESSMENT IN MATHEMATICS 8

less than its adjacent interior angle    

less than either remote interior angle

greater than either remote interior angle

greater than its adjacent interior angle

Hinge Theorem       

Triangle Inequality Theorem1 ($Aa\backslash \; \backslash rightarrow\backslash \; Ss$

Angle Inequality Theorem (s₁  + s₂  >  s₃) 

Triangle Inequality Theorem 1 ($Ss\backslash \; \backslash rightarrow\backslash \; Aa$ )

If in $\backslash Delta\; ABC$ , a > b, then 

If in $\backslash Delta\; ABC$ ,a > b, then $\backslash angle\; A\backslash \; \backslash ne\backslash \; \backslash angle\; B$

If in $\backslash Delta\; ABC$ , a > b, then  $\backslash angle\; A\backslash \; >\backslash \; \backslash angle\; B$

If in $\backslash Delta\; ABC$ , a > b, then $\backslash angle\; A\backslash \; =\backslash \; \backslash angle\; B$

The exterior angle formed by extending the side of a triangle plus its adjacent angles equals 90°

The exterior angle formed by extending the side of a triangle equals the measure of its adjacent angle.

The measure of the angle of a triangle equals 180 °.

The exterior angle formed by extending the side of a triangle equals the sum of its non-adjacent angles.

$\backslash angle\; D$

$\backslash angle\; B$

$\backslash angle\; A$

$\backslash angle\; C$

$\backslash angle\; Q\backslash \; ,\backslash \; \backslash angle\; P\backslash \; ,\backslash \; \backslash angle\; R$

$\backslash angle\; Q\backslash \; ,\backslash \; \backslash angle\; R\backslash \; ,\backslash \; \backslash angle\; P$

$\backslash angle\; R\backslash \; ,\backslash \; \backslash angle\; P\backslash \; ,\backslash \; \backslash angle\; Q$

$\backslash angle\; P\backslash \; ,\backslash \; \backslash angle\; Q\backslash \; ,\backslash \; \backslash angle\; R$

7 cm, 8 cm, 9 cm    

7 cm, 7 cm, 9 cm

6 cm, 6 cm, 12 cm

8 cm, 9 cm, 12 cm