tarangelicasurfer tarangelicasurfer

01-07-2020
Mathematics

contestada

a) Work out the size of angle x.
A
1000
b) Give reasons for your answer.
B
D
ת
xo
F
H
G

a Work out the size of angle x A 1000 b Give reasons for your answer B D ת xo F H G class=

Respuesta :

jimrgrant1 jimrgrant1

01-07-2020

Answer:

x = 80

Step-by-step explanation:

∠ ABC and ∠ DBC are adjacent angles and supplementary, thus

∠ ABC = 180° - ∠ DBC = 180° - 100° = 80°

∠ EFB = x = ∠ ABC = 80° ( corresponding angles )

Thus x = 80

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