You are hanging 3 display shelves with the same width on a wall so that there is 18 inches of space above each shelf for placing
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Starting from the fundamental trigonometric equation, we have
Since , we know that the angle lies in the third quadrant, where both sine and cosine are negative. So, in this specific case, we have
Plugging the numbers, we have
Now, just recall that
to deduce
Given that,
In <u>triangle TPQ, </u>
- RS || PQ,
- RS = 3 cm,
- PQ = 6 cm,
- ar(∆ TRS) = 15 sq. cm
As it is given that, <u>RS || PQ</u>
So, it means
⇛∠TRS = ∠TPQ [ Corresponding angles ]
⇛ ∠TSR = ∠TPQ [ Corresponding angles ]
<u>Now, We know </u>
Area Ratio Theorem,
This theorem states that :- The ratio of the area of two similar triangles is equal to the ratio of the squares of corresponding sides.
