X A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?
1 answer:
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Answer:
Therefore,
Step-by-step explanation:
Given:
In ΔABC, BC=4 cm,
angle b=angle c, and
angle a=20°
To Find:;
AC = ?
Solution:
Triangle sum property:
In a Triangle sum of the measures of all the angles of a triangle is 180°.
We know in a Triangle Sine Rule Says that,
In Δ ABC,
substituting the given values we get
Therefore,