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OLga [1]
3 years ago
9

Please help

Mathematics
1 answer:
rosijanka [135]3 years ago
4 0
Area of the Figure = Area of Parallelogram + Area of Triangle

A = b*h + 1/2bh

A = 11*9 + 1/2*9*8

A = 99 + 36

A = 135 in²

In short, Your Answer would be: 135 in²

Hope this helps!
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Chords and intersect in circle O as shown in the diagram. Two of the angle measurements are marked. What is mCED?
jenyasd209 [6]

we know that

The measure of the interior angle is the half sum of the arcs comprising it and its opposite

so

m∠CED=\frac{1}{2} *(arc\ AB+arc\ CD)

see the attached figure with letters to better understand the problem

arc\ AB=82° ------> by central angle

arc\ CD=48° ------> by central angle

Substitute the values in the formula above

m∠CED=\frac{1}{2} *(82+48)

m∠CED=\frac{1}{2} *130

m∠CED=65°

therefore

<u>the answer is</u>

m∠CED=65°


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