Find the area of the composite shapes. (picture)
1 answer:
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Answer:
Step-by-step explanation:
Notice that .
The diagram already marks , so we just need to find
.
and
are vertical angles, which means they are equal in measure.
Therefore,
Since there are on each side of a line, we have the following equation:
.
Plugging in , we have:
.
Therefore,
.
Answer : 400 cm square :)
Sorry if it’s incorrect ;-;
Sorry if it’s incorrect ;-;
The cosine of angle X is
By the Pythagorean theorem, we have
Then
Multiplying numerator and denominator by 2, we get .