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This test is run by .
Note that your final mark will not be saved in the system.

Angles in Triangles and Parallel Lines Typeit

Target Level

Running Total

Attempt

1 of 3

Type the correct answers into the spaces. Fill all the spaces before clicking ‘Check Answers!’

Calculate the angles a, b, c, and d, justifying your results where requested. For your justification, type the number 1, 2, 3 or 4, choosing from the following angle types used:

1) Corresponding, 2) Alternate, 3) Allied, or 4) Cointerior

Note the triangle which includes angle d° is isosceles, as indicated.

Make sure you use forward slash with no spaces (x/y) for all fractions.

a = π + − ÷ × < > ≤ ≥ π ° - Justification: π + − ÷ × < > ≤ ≥ π
b = π + − ÷ × < > ≤ ≥ π ° - Justification: π + − ÷ × < > ≤ ≥ π
c = π + − ÷ × < > ≤ ≥ π °
d = π + − ÷ × < > ≤ ≥ π °

This is your 1^st attempt! You get 3 marks for each one you get right. Good luck!

Pass Mark

100%