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29.01.2020 •
Mathematics
What is the area of the original rectangle?
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Ответ:
ANSWER
EXPLANATION
First let us determine the scale factor of the enlargement
This implies that that, the corresponding length of the smaller rectangle is
The area of the smaller rectangle is
Ответ:
Step-by-step explanation:
The special angles created by the intersection of A and D can be used to solve for x because there are supplementary angles amongst them while some are vertically opposite to one another. They are all linked to one another.
Angle (4x + 5) and angle (3x + 7) are supplementary angles i.e
add up to 180°.
4x + 5 + 3x + 7 = 180°
7x + 12 = 180
7x = 168
x = 168/7
x = 24.
<6 = 3x + 7
= 3 ×24 +7
= 72 + 7
= 79°