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hannahblank2466
27.02.2021 •
Mathematics
ABCD is a rectangle formed by the points A( -1, -1 ), B( -1, 4), C(5,4), D(5, -1).P,Q,R and S are the mid points of AB,BC,CD and DA respectively.Prove that PQRS is a rhombus.
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Ответ:
Proved
Step-by-step explanation:
Given
Required
Prove that PQRS is a rhombus
P = midpoint of AB
So:
Q = midpoint of BC
R = midpoint of CD
S = midpoint of DA
So, we have:
To show that PQRS is a rhombus, the distance between PQ, QR, RS and SW must be equal.
Distance is calculated as:
For PQ
For QR
For RS
For SP
From the calculations above:
Hence: PQRS is a rhombus
Ответ:
(z)-intergers
Step-by-step explanation:
set of whole numbers negative or positive