How do I solve and what's the answer?
1 answer:
Answer:
Step-by-step explanation:
A parallelogram is a family of quadrilateral which has its two opposite sides to be equal and parallel.
In the given parallelogram, the following proof can be deduced.
1. QS bisects RT: <RSQ ≅ <TQS Given
2. RV ≅ TV Definition of a bisector
3. <SRQ + < RQT = Definition of supplementary angles
4. <RQS ≅ <QST Definition of alternate angles
5. <RVT ≅ <QVT Vertically opposite angles
6. <QRS ≅ <STQ Opposite angles are congruent
7. QRST is a parallelogram Proofed
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Answer:
The length of the rectangle is 54 feet .
Step-by-step explanation:
Given as :
The Area of rectangle = 770 square feet
The length is 23 feet less than 10 times its width
I.e Let The length of rectangle = L feet
And The breadth of rectangle = B feet
According to question
Length = 10 times width - 23
Or , L = 10 × B - 23
or, L = 10 B - 23
Now, Since Area of rectangle = A = Length × Breadth
Or, A = L × B
Or, 770 ft² = ( 10 B - 23 ) × B
Or, 770 = 10 B² - 23 B
Or, 10 B² - 23 B - 770 = 0
Now, solving this quadratic equation to get the value of B
Or, B =
or, B =
Or, B =
Or, B = ,
∴ B = 7.7 , -10
So, The breadth of the rectangle = B = 7.7 feet
So, The length of the rectangle = L = ( 10 × 7.7 - 23 )
I.e L = 54 feet
Hence The length of the rectangle is 54 feet . Answer