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3 years ago

EASY MATH PLEASE HELP!! : )

Mathematics

2 answers:

adell [148]3 years ago

7 0

12 x 18 = 216

3 x 3 = 9

216 - 9 = 207

The answer would be A

GenaCL600 [577]3 years ago

4 0

Answer:

Option A

Step-by-step explanation:

The area of the big Square is 216.

the Smaller Square is 9

subtract both of those, you get option A, 207.

have an amazing day!

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Answer:

a) ∠DAE = 33°; ∠ABD = 57°

b) ∠CEB = 90°

c) ∠ABE = 22°

d) ∠ADE = 15°

Step-by-step explanation:

The diagonals of a rhombus meet at right angles. Each bisects the corner angles at its ends. Adjacent angles are supplementary, opposite angles are congruent, and each diagonal creates two isosceles triangles.

a) ∠DAE = 90° - ∠ADE = 90° -57°

∠DAE = 33°

∠ADE = ∠ABD = 57°

b) ∠CEB = 90° . . . . . the diagonals meet at right angles

c) ∠ABE = 44°/2

∠ABE = 22°

d) ∠ADE = 90° -(1/2)∠DAB = 90° -150°/2

∠ADE = 15°

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