Mathematics
15.05.2020 21:11
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Mandy is making a rectangular quilt. she created a scale drawing of the quilt using
Mandy is making a rectangular quilt. she created a scale drawing of the quilt using a scale of 1 cm = 7.5 in. the quilt on the drawing measures 8 cm by 12 cm. what is the area of the actual quilt?
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jaquonb23
4,4(27 marks)
Actual Area=5,400 (in.)²
Step-by-step explanation:
Scale: 1 cm=7.5 in.
Drawing is 8 cm by 12 cm
Drawing Length=12 cm
Actual Length=Scale factor×Drawing Length=(7.5×12)=90 in.
Drawing Width=8 cm
Actual Width=Scale factor×Drawing Length=(7.5×8)=60 in.
Actual Area=(Actual Length×Actual width)=(90×60)=5,400 squared inches
Actual Area=5,400 (in.)²
dogsarecute278
4,8(69 marks)
1. TRUE
2. false - compare to 3.
3. TRUE - compare to 4.
4. TRUE - the sum of exernal angles of any convex polygon is 360°
5. false - compare to 4.
6. false - compare to 7.
7. TRUE - the angles are supplementary
8. false - compare to 4.
The true statements are 1, 3, 4, 7.
2. false - compare to 3.
3. TRUE - compare to 4.
4. TRUE - the sum of exernal angles of any convex polygon is 360°
5. false - compare to 4.
6. false - compare to 7.
7. TRUE - the angles are supplementary
8. false - compare to 4.
The true statements are 1, 3, 4, 7.
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