Li is a professional nature photographer. She takes a photograph of a spider web and prints a copy. The original dimensions of her copy are 6 inches by 4 inches. Li decides to advertise her business by printing smaller copies of the spider web photograph and emailing them to friends and acquaintances. Which dimensions represent a smaller scale drawing of the original printed photograph?(1 point)
Responses
12 inches by 8 inches
12 inches by 8 inches
2 inches by 1 inch
2 inches by 1 inch
1 inch by 0.5 inches
1 inch by 0.5 inches
1.5 inches by 1 inch
1.5 inches by 1 inch
Crystal cuts a piece of wood into the shape of a triangle. The height of the triangle is 5 inches, and the base of the triangle measures 8 inches. Crystal makes a scale drawing of the triangle. If the height of her scale drawing is 2 inches, what is the area of her scale drawing?
(1 point)
Responses
1.6 square inches
1.6 square inches
6.4 square inches
6.4 square inches
20 square inches
20 square inches
3.2 square inches
3.2 square inches
What is the approximate circumference of a circle that has a radius of 90? Use 3.14 for π and express your answer to the tenths place.(1 point)
The approximate circumference of a circle with a radius of 90 is:
C = 2πr
C = 2 * 3.14 * 90
C = 565.2
So, the approximate circumference is 565.2.
What is the approximate circumference of a circle that has a diameter of 379? Use 3.14 for π and express your answer to the hundredths place. (1 point)
The circumference of a circle is given by the formula:
C = π * d
Given that the diameter (d) is 379, we have:
C = 3.14 * 379
C = 1190.66
Therefore, the approximate circumference of a circle with a diameter of 379 is 1190.66.
The approximate circumference of a circle is 7,459 miles. What is the diameter rounded to the nearest hundredths place? Use 3.14 for π .(1 point)
To find the diameter of a circle when you know the circumference, you can use the formula:
C = π * d
Given that the circumference is 7,459 miles, we can plug this into the formula and solve for the diameter:
7,459 = 3.14 * d
d = 7,459 / 3.14
d ≈ 2375.796178
Rounded to the nearest hundredth, the diameter is 2375.80 miles.