How can we show a number increased by 2? Can you prove this using a model? If so, draw the model.
1 answer:
Answer:
x + 2
Step-by-step explanation:
Let x be the unknown number,
For making the diagram to model this problem,
Take a grid that shows x, ( shown below )
Then take a grid that shows 2.
Join these grids,
We obtain a grid, showing x + 2
Hence, the required expression that represents the given situation is x + 2
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The options of the question are
A.)BFC B.)CFG C.)GFD D.)EFA
we know that
A linear pair forms a straight angle which contains º, so you have
angles whose measures add to
degrees, which means they are supplementary.
Vertical Angles are two angles whose sides form two pairs of opposite rays (straight lines).Vertical angles are congruent
in this problem
Part a) Linear Pair
1) m∠EFA+m∠EFD=°
angles ∠EFA and ∠EFD are a linear pair
2) m∠BFD+m∠EFD=°
angles ∠BFD and ∠EFD are a linear pair
3) m∠BFD+m∠BFA=°
angles ∠BFD and ∠BFA are a linear pair
4) m∠BFA+m∠AFD=°
angles ∠BFA and ∠AFD are a linear pair
Part b) Vertical angles
1) m∠EFA=m∠BFD
angles ∠EFA and ∠BFD are a vertical angles
2) m∠AFB=m∠EFD
angles ∠AFB and ∠EFD are a vertical angles
therefore
the answer is the option
D.) EFA