2771096
Descrição
FlashCards por Becca Washer, atualizado more than 1 year ago
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Criado por Becca Washer
mais de 10 anos atrás
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| Questão | Responda |
| Solving Problems Using an Area Scale Factor | ASF=LSF² LSF=√ASF ▲ A has a base length 6cm, ▲ B has a base length 21cm. The area of ▲ A is 30cm². What is the area of ▲ B? LSF= 21/6=3.5 ASF= 3.5² B=30 x 3.5² = 367.5cm² |
| Solving Problems Using an Volume Scale Factor | VSF= LSF³ LSF=³√VSF Shape A's diameter is 3cm and contains 0.2L of paint. Shape B's diameter is 21cm. What is the volume of B? LSF= 21/3= 7 VSF= 7³ B= 0.2 x 7³ = 68.6L |
| Sum of Interior Angles in a Polygon | (Number of sides - 2) x 180 |
| Size of Polygon Exterior Angles (Sum of EA is 360°) | 360° / Number of Sides |
| Size of Polygon Interior Angle | (180- 360/ Number of Sides) x 360 |
| Finding the Prime Factors of a Number (Cheat) | Find the prime factors by typing number into calculator then equals then shift Fact. |
| Finding the LCM | The highest power of each PF multiplied together: Example, find the LCM of 84 and 150. Find the PF of each number. 84= 2²x 3¹ x 5° x 7¹ 150=2¹ x 3¹ x 5² x 7° LCM=2²x 3¹ x 5² x 7¹ LCM=4 x 3 x 25 x 7 LCM=2100 |
| Finding the Highest Common Factor | The lowest power of each PF multiplied together: Example, find the HCF of 84 and 150. Find the PF of each number. 84= 2²x 3¹ x 5° x 7¹ 150=2¹ x 3¹ x 5² x 7° HCF=2¹x 3¹ x 5° x 7° HCF=2x3x1x1 HCF=6 |
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