Answer:
0.00045
Step-by-step explanation:
450 ⇒
1 = 0.000001
= 450 = 450 × 0.000001 = 0.00045
Computers and calculators are being sold at 25% off. Jean buys a calculator that is regularly priced at $75. How much does he pa
1 answer:
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Answer:
- 11.26 cm²
Step-by-step explanation:
The shaded region is the difference of areas of semicircle AB and triangle ABC.
ABC is right triangle as AB is diameter, so C is right angle.
<u>Area of semicircle:</u>
- A = 1/2πr² = 1/2*3.14*4² = 25.12 cm²
<u>Area of triangle:</u>
- A = 1/2BC*AC = 1/2*4*
= 2
= 13.86 cm²
<u>Shaded are is:</u>
- 25.12 - 13.86 = 11.26 cm²
