psylukelx psylukelx
  • 01-04-2021
  • Mathematics
contestada

Given : ABCD is a rectangle
m∠B1DB = 60°, m∠ADB = 45°
DB1=37
Find: Volume

Given ABCD is a rectangle mB1DB 60 mADB 45 DB137 Find Volume class=

Respuesta :

DWRead
DWRead DWRead
  • 01-04-2021

Answer:

Step-by-step explanation:

∠B₁DB = 60°

△B₁BD is a 30°-60°-90° triangle. The sides are in the ratio 1:√3:2

B₁D = 37 ⇒ BD = 37/2 = 18.5

BB₁ = 18.5√3

△ABD is isosceles

AB = AD = BD/√2 = 18.5/√2

volume = AB × AD × BB₁

= (18.5/√2) × (18.5/√2) × 18.5√3

= 18.5³√3/2

≅ 5483 cubic units

Ver imagen DWRead
Answer Link

Otras preguntas

Why did president Washington want the United States to remain neutral
State two ways in which a single-celled organism, such as amoeba, and a human body are alike?
What is a group of organisms that look alike and can reproduce among their selfs ?
What is the main religion of Latin america
how is the expression of sex linked genes both  similar to and different from the expression of autosomal genes?
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench
What is the main religion of Latin america
What culture believes health is harmony between man and nature?
How do you work out the problem 84 divided by4
Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch