8A Unit 8 Reteach/Corrections

Unit 8 Reteach/Corrections

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Right ​Rectangular Prisms

• Looks like a box

• Has 6 faces

• Faces resemble a square or a rectangle

Multiple Choice

Which item resembles a right rectangular prism?

• Pie slice

• Christmas tree

• The moon

• Christmas present

Surface Area of a Right Rectangular Prism

SA = 2(lw+wh+hl); l = length; w=width; h=height

https://nmca-connectionsacademy-org.zoom.us/rec/play/4aLh2ZdlTvyjd0eCoUsjSYlf-tfQ7snQX9CnvSTywRgECw90BY4HYlGEbHTARVgjHYRx12C-S1rQrwPb.VTlbnnZORFuhb0Mp?canPlayFromShare=true&from=my_recording&continueMode=true&componentName=rec-play&originRequestUrl=https%3A%2F%2Fnmca-connectionsacademy-org.zoom.us%2Frec%2Fshare%2FcjHEOfyOqhYAPrXmNSFRDsSWkD_SVZtkYa_tL9r31DOSl5u-iZcLAmrQm3oTEkCZ.ijLlFEdCvH9f1jC2

Multiple Choice

What's the surface area of a right rectangular prism with a length of 2 cm, a width of 3 cm and a height of 4 cm?

• 26 square cm

• 9 square cm

• 36 square cm

• 52 square cm

Surface Area of a Triangular Pyramid

https://nmca-connectionsacademy-org.zoom.us/rec/play/4aLh2ZdlTvyjd0eCoUsjSYlf-tfQ7snQX9CnvSTywRgECw90BY4HYlGEbHTARVgjHYRx12C-S1rQrwPb.VTlbnnZORFuhb0Mp?canPlayFromShare=true&from=my_recording&continueMode=true&componentName=rec-play&originRequestUrl=https%3A%2F%2Fnmca-connectionsacademy-org.zoom.us%2Frec%2Fshare%2FcjHEOfyOqhYAPrXmNSFRDsSWkD_SVZtkYa_tL9r31DOSl5u-iZcLAmrQm3oTEkCZ.ijLlFEdCvH9f1jC2&autoplay=true&startTime=1702933101000

Multiple Choice

What's the surface area of a triangular pyramid where the base edge is 8 cm, the base triangle's height is 4 cm and the slant height is 10 cm?

• 320 square cm

• 112 square cm

• 136 square cm

• 224 square cm

Volume of Right Rectangular Prisms

V= lwh; l=length; w=width; h=height

https://nmca-connectionsacademy-org.zoom.us/rec/play/4aLh2ZdlTvyjd0eCoUsjSYlf-tfQ7snQX9CnvSTywRgECw90BY4HYlGEbHTARVgjHYRx12C-S1rQrwPb.VTlbnnZORFuhb0Mp?canPlayFromShare=true&from=my_recording&continueMode=true&componentName=rec-play&originRequestUrl=https%3A%2F%2Fnmca-connectionsacademy-org.zoom.us%2Frec%2Fshare%2FcjHEOfyOqhYAPrXmNSFRDsSWkD_SVZtkYa_tL9r31DOSl5u-iZcLAmrQm3oTEkCZ.ijLlFEdCvH9f1jC2&autoplay=true&startTime=1702933959000

Multiple Choice

If the volume of a right rectangular prism is 30 cubic inches, the length is 5 inches and the width is 2 inches, what's the height?

• 20 inches

• 2 inches

• 3 inches

• 10 inches

Volume of a Rectangular Pyramid

https://nmca-connectionsacademy-org.zoom.us/rec/play/2d-bGDmH0iKfLytq9gEYaTkfqgak1kYJmlDsYg88a11-087uxNwwjQWWMQrarXPW2efUAzwCPW2APbS6.yIQqN0WP0KLVyIRX?canPlayFromShare=true&from=my_recording&continueMode=true&componentName=rec-play&originRequestUrl=https%3A%2F%2Fnmca-connectionsacademy-org.zoom.us%2Frec%2Fshare%2F1rdk-nZ06nhV0MSvxbWz2oNCeyg-ECC1VFYy2NRDUk3PEzki7hrXRBE8Ce5PrVvO.33ZCAWKuVgo9YBDI

Multiple Choice

If a rectangular pyramid has a volume of 360 cubic feet. The pyramid has a height of 10 feet and a length of 6 feet. What's the width of the rectangular pyramid?

• 6 feet

• 2 feet

• 18 feet

• 36 feet