Find the height of the building.
1 answer:
The height of building is 117 feet approximately
<em><u>Solution:</u></em>
We have to find the height of building
Let "x" be the height of building
Given angle of elevation is 25 degrees
We can use the tan formula to calculate the height "x"
Here opposite = x and adjacent = 250 feet
Substituting in formula we get,
Thus height of building is 117 feet approximately
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Symmetric property of congruence.
Solution:
Given statement:
If ∠1 ≅ ∠2, then ∠2 ≅ ∠1.
<em>To identify the property used in the above statement:</em>
Let us first know some property of congruence:
Reflexive property:
The geometric figure is congruent to itself.
That is .
Symmetric property of congruence:
If the geometric figure A is congruent to figure B, then figure B is also congruent to figure A.
That is .
Transitive property of congruence:
If figure A is congruent to figure B and figure B is congruent to figure C, then figure A is congruent to figure C.
That is
From the above properties, it is clear that,
If ∠1 ≅ ∠2 then ∠2 ≅ ∠1 is symmetric property of congruence.