In the diagram below, ABC is a straight line. ABE = 65°, DBE = 45° and BỘC = 40°.
A
B
650...
Mathematics, 18.02.2021 05:50 Tboogie2037
In the diagram below, ABC is a straight line. ABE = 65°, DBE = 45° and BỘC = 40°.
A
B
650
45°
b
a
E
40%
D
(a) Calculate the value of b
(b) Calculate the value of a
(c) What can you conclude about ABCD? Give a reason for your answer.
Answers: 1
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