lesson 6 menu five-minute check (over lesson 7-5) main idea and vocabulary targeted teks key...
TRANSCRIPT
Five-Minute Check (over Lesson 7-5)
Main Idea and Vocabulary
Targeted TEKS
Key Concept: Volume of a Pyramid
Example 1: Find the Volume of a Pyramid
Example 2: Real-World Example
Key Concept: Volume of a Cone
Example 3: Find the Volume of a Cone
Key Concept: Volume of a Sphere
Example 4: Find the Volume of a Sphere
Find the Volume of a Pyramid
Find the volume of the pyramid.
Answer: The volume is 140 cubic centimeters.
Volume of a pyramid
Simplify.
B = 7 ● 3, h = 20
A. A
B. B
C. C
D. D A B C D
0% 0%0%0%
A. 60 m3
B. 72 m3
C. 80 m3
D. 120 m3
Find the volume of the pyramid.
SOUVENIRS A novelty souvenir company wants to make snow “globes” shaped like pyramids. It decides that the most cost-effective maximum volume of water for the pyramids is 12 cubic inches. If a pyramid measures 4 inches in height, find the area of its base.
Volume of a pyramid
Replace V with12 and h with 4.
Simplify.
Answer: The area of the base of the snow globe is 9 square inches.
1. A
2. B
3. C
4. D
0%0%0%0%
A B C D
A. 6 in.
B. 6.5 in.
C. 7 in.
D. 7.5 in.
TOYS A company is designing pyramid shaped building blocks with a square base. They want the volume of the blocks to be 18 square inches. If the length of the side of the base is 3 inches, what should be the height of the blocks?
Find the Volume of a Cone
Find the volume of the cone. Round to the nearest tenth.
Answer: The volume is about 18.8 cubic meters.
Volume of a cone
Replace r with1.5 and h with 8.
Simplify.
1. A
2. B
3. C
4. D
0%0%0%0%
A B C D
A. 28.5 in3
B. 29.2 in3
C. 34.1 in3
D. 37.7 in3
Find the volume of the cone. Round to the nearest tenth.
V ≈ 904.8
GLOBES A school principal purchased a new globe for each classroom in the school. The radius of each globe was 6 inches. What is the volume of each globe? Round to the nearest tenth.
Answer: The volume of each globe is about 904.8 cubic inches.
Find the Volume of a Sphere
Volume of a sphere
Replace r with 6.
Simplify.
A. A
B. B
C. C
D. D A B C D
0% 0%0%0%
A. 143.8 cm3
B. 166.2 cm3
C. 174.5 cm3
D. 211.2 cm3
SPORTS The diameter of a tennis ball is 6.5 centimeters. What is the volume of a tennis ball? Round to the nearest tenth.