3 years ago

Find the measure of Angle C. thanks!!

Mathematics

2 answers:

spin [16.1K]3 years ago

8 0

Answer:

Use the formula for the trapeze

Step-by-step explanation:

Step2247 [10]3 years ago

3 0

Answer:

∠ C = 88°

Step-by-step explanation:

The opposite angles in a cyclic quadrilateral sum to 180°, then

8x - 4 + 7x + 4 = 180 , that is

15x = 180 ( divide both sides by 15 )

x = 12

Then

∠ C = 7x + 4 = 7(12) + 4 = 84 + 4 = 88°

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