Answer:
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Step-by-step explanation:
Step-by-step explanation:
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the first thing we notice : the quadrilateral has 2 pairs of equally long sides with 2 angles being openly 90°.
so, we are dealing with a rectangle here.
we know that one pair of the sides (NK = LM) are 24 cm long.
and we know that KL:LM = 3:4.
that means that the pair KL = MN are the shorter sides of the rectangle. and their length is according to the ratio 3/4 of NK=LM.
3/4 × 24 = 18 cm
the area of that rectangle is therefore
18 × 24 = 432 cm²
Answer:
The value of rate of which the base is changing = - 3
Step-by-step explanation:
Area = 20
height = 4 cm
we know that area of the triangle is given by
B = 10 cm
Rate of change of area is given by
4 = 0.5 [10 × 2 + 4 ]
= - 3
This is the value of rate of which the base is changing.
The angle ∠22 and angle ∠24 are congruent because they are vertically opposite angles.
<h3>What is an angle?</h3>
The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.
Vertically opposite angle – When two lines intersect, then their opposite angles are equal.
Linear angle – If the total of two angles is 180 degrees, they are said to be linear angles.
The statements are given below.
∠22 = ∠24 (vertically opposite angle)
∠22 + ∠23 = 180 (linear angle)
The diagram is given below.
More about the angled link is given below.
brainly.com/question/15767203
#SPJ1
D. 25, is your answer!
Have a good day!