3 years ago

Find the total surface area of the pyramids below

Mathematics

2 answers:

blsea [12.9K]3 years ago

6 0

Answer:

Step-by-step explanation:

Trava [24]3 years ago

3 0

It’s 600 ft because u did 10 x 10 = 100 100 x the hight that is 12 = 1200 1200/2= 600

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A formula for finding A, the area of a triangle is A=1/2bh, where b is the base of the triangle and h is the altitude to that ba

seropon [69]

Answer:

48 inches²

Step-by-step explanation:

Substitute b = 16 and h = 6 into the formula for A

A = $\frac{1}{2}$ × 16 × 6 = 8 × 6 = 48 inches²

7 0

3 years ago

Can someone answer just this one? Thank you :)

Alex_Xolod [135]

Answer:

Step-by-step explanation:

(a+b)/2 x h

42 = (8+4)/2 x h

42 = 6h

h = 7

3 0

3 years ago

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12 one half times one nine

pshichka [43]

Answer:

$1\frac{7}{18}$ or one seven eighteenths

Step-by-step explanation:

we know that

12 one half times one nine is the same that multiply 12 one half by one nine

$(12\frac{1}{2})(\frac{1}{9})$

Convert mixed number to an improper fraction

$12\frac{1}{2}=12+\frac{1}{2}=\frac{12*2+1}{2}=\frac{25}{2}$

substitute

$(\frac{25}{2})(\frac{1}{9})=\frac{25}{18}$

Convert to mixed number

$\frac{25}{18}=\frac{18}{18}+\frac{7}{18}=1\frac{7}{18}$

therefore

12 one half times one nine is one seven eighteenths

6 0

3 years ago

James needs to buy some poster board to build a box for a project. The box needs to be 10 inches long, 5 inches wide, and 4 inch

Ganezh [65]

Answer:

1200 Inches

Step-by-step explanation:

8 0

3 years ago

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Please help<br> Me with this

ratelena [41]

I belive that it would be 40% or .4

7 0

3 years ago