a trapezoids longer base is 4 times its shorter base. If the trapezoid has an area of 80 cm squared and a height of 8cm has what is the length of each base ​


Answer 1
Answer: Long One is 16
Short One is 4!!

A=base+base/2 * height


16+4/2 = 10

10 * 8 = 80!!

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A regular polygon has an interior angle of 172º.Find the number of sides of this polygon.

Which cannot be the angle measurements of triangle ABC? OmZA = 55°, mZB = 65°, mZC = 60° OmZA = 60°, mZB = 60°, mC = 60°
MZA= 57°, MZB = 58°, mZC = 65°
MZA = 61°, mZB = 57°, mZC = 61°​



D. m<A = 61°, m<B = 57°, m<C = 61°

Step-by-step explanation:

The sum of all interior angles of a triangle is always equal to 180°.

Therefore, any set of given angle measurement of a triangle should sum up to 180°.

From the options given, the following angle measurements given in option D,

,m<A = 61°, m<B = 57°, m<C = 61° cannot be angle measurements of ∆ABC. This is because they sum up to give 179° instead of 180°.


The answer is D

Credits to the person above me.

; )

Step-by-step explanation:

EDGE 2021

Megan buys 3 bracelets and 3 necklaces. Each bracelet costs 5. Megan pays on 40 and gets 4 change. what is the cost of one necklace?


The necklaces cost $3 each

A 1-kg model airplane has 12.5 joules of kinetic energy and 98 joules of gravitational potential energy. What is its speed? What is its height?


The formula for the kinetic energy is:

Ke = 0.5mv^2

Where ke is the kinetic enrgy

M is the mass

V is the velocity

Ke = 0.5mv^2

12.5 = 0.5(1) v^2

Solve for v

V = 5 m/s

Potential energy, pe = mgh

Where m is mass

G is accelearation due to gravity 9.8 m/s2

H is the height

98 = (1)(9.8) h

H = 10 m


Find the value of x.




my guess is 135 because there both the same corners

Step-by-step explanation:



Step-by-step explanation:

900-(105+150+140+135+125+135)= 110

The area of a rectangle is at least 115 square centimeters. The width of the rectangle is 5 centimeters and the length of the rectangle is x centimeters. what are the value(s) of x


the census is 60 because it’s obviously when you divided

What is the domain?



-2, 2




Step-by-step explanation:

The domainisthepossiblex values,sofor this functionx^2,the possiblex valuesare all thevalues

(-infinity ,infinity)