Question

In figure 3.10, line AB || line DE. Find
the measures of ZDRE and ZARE
using given measures of some angles.
70°
4
Fig. 3.​

Answer 1

Answer:

where is diagram.....

Answer 2

Answer:

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Step-by-step explanation:

Given AB // DE , AD is the

transversal .

<BAD = 70°

1 ) <ADE = <BAD = 70°

[ Alternate angles ]

2 ) In ∆RDE ,,DR extended to A,

Exterior angle <ARE =<RDE+<RED

= 70° + 40°

= 110°

iii ) <DRE + <ARE = 180°

[ Linear pair ]

=> <DRE + 110° = 180°

=> <DRE = 180° - 110°

= 70°