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Mathematics

1 answer:

Bas_tet [7]3 years ago

8 0

Answer:

∠DEC and ∠IHJ

Step-by-step explanation:

Alternate exterior angles are angles that lie on the outside of the parallel lines, but different sides.

∠DEC is on the upper left.

∠IHJ is on the lower right.

Therefore ∠DEC and ∠IHJ are alternate exterior angles.

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Figure ABCDE has vertices A(−2, 3), B(2, 3), C(5, −2), D(0, −3), and E(−2, −2). Plot the points on your own coordinate grid and

Alina [70]

A) The figure decomposes nicely into 1 rectangle and 2 triangles.

B) AB = 4 units; AE = 5 units.

C) The rectangle whose diagonal is BE has area 4*5 = 20 units^2.
.. The triangle CDE has area (1/2)*7*1 = 7/2 units^2.
.. The triangle BCF has area (1/2)*3*5 = 15/2 units^2.
The total area of the figure is
.. area = rectangle + triangle CDE + triangle BCF
.. = (20 +7/2 +15/2) units^2
.. = 31 units^2

_____
Check:
.. Compare our computed value of area to that listed for poly1 on the left side of the figure.