grandmawalks grandmawalks
  • 22-07-2022
  • Mathematics
contestada

Find the surface area of the pyramid. Round to the nearest tenth.

Find the surface area of the pyramid Round to the nearest tenth class=

Respuesta :

Medunno13
Medunno13 Medunno13
  • 23-07-2022

Answer:

279

Step-by-step explanation:

The area of the square base is 9² = 81.

The area of each triangular face is (1/2)(9)(11)=99/2.

So, the total surface area is 4(99/2)+81=279

Answer Link

Otras preguntas

Tito is installing a new kitchen floor. The kitchen is square in shape and has an area of 441 sq ft. What is the length of one side of Tito’s. Pls help me with
a solid pyramid with a square base with side 12 cm and height 25 cm is made of metal. The metal is melted to form spherical ball bearings of radius 7 mm. How ma
Brainliest to whoever gets this right According to the rules of parallelism, coordinating ideas must be:A.kept separate.B.unified with a conjunction.C.kept in s
what is (5x-2)(4x^2 -3x-2)
For 9-10, use the graph below. 9. What is the length of AB? Explain your reasoning. 10. What is the midpoint of CD? Justify your answer.
i need step by step explanation for this!
URGENT!!!!! I WILL MARK U AS BRAINLIEST!!!!!!! A step-down transformer converts 120 V to 5 V in a phone charger. If the primary coil has 600 turns, how many tur
What was one benefit of living in cities? Question 5 options: Cities protected crops and livestock from flood waters Low population densities meant little compe
What was a moment where you felt most motivated? What motivates you?
a letter between a doctor and a teacher who is more important​