[Exercise- page 123]
E.5.1 Solve the following problem using sticks or folding papers:
In the figure, angle PQR = 55°, angle LRN = 90° and PQ is parallel to MR. Then what is the value of angle MRN?
Solution:
E.5.2
In the figure, AB, CD and EF are parallel to each other.
a) What is the value of angle z?
b) What is the value of angle x?
c) What is the value of angle y-z?
Solution:
E.5.3 Find the value of angle x from the following figure (digits will be in English.)
Solution:
E.5.4 Find the value of angle w from the following figure (digits will be in English.)
Solution:
E.5.5 What is the value of angle x in the following figure? (digits will be in English.)
Solution:
E.5.6 Joy has constructed a triangle whose sides are different in length than shown in the figure. Using this measurement, find out what is the greatest angle of this triangle. (digits will be in English.)
Solution:
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