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Novosadov [1.4K]
2 years ago
15

The surface area of a solid is 10 square feet. The dimensions of a similar solid are

Mathematics
1 answer:
maxonik [38]2 years ago
6 0

Answer:

90 ft²

Step-by-step explanation:

Given the sides of similar figures in the ratio a : b, then

ratio of areas = a² : b²

Here ratio of sides = 1 : 3 , thus

ratio of areas = 1² : 3² = 1 : 9

That is the surface area of the new solid is 9 times the first

SA = 9 × 10 = 90 ft²

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1 year ago
14. One angle of a triangle has measure 23° 40' and another
pishuonlain [190]

Hello!

 180 °- 23°40' - 41°19'

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3 0
2 years ago
PLEASE HELP!! BRAINLIEST ANSWER AND FASTEST ANSWER GETS TON OF FREE POINTS...MATH WHIZZES, HELP ME OUT. FORGOT HOW TO DO THIS.
Julli [10]
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5 0
2 years ago
Tamara says she used the GCF to factor the expression 21x + 56xy as 7(3x + 8xy). Is she correct? Explain.
cestrela7 [59]

Answer:

Tamara  incorrectly factored the whole expression.

Step-by-step explanation:

Note that

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Mark in bold all common factors, then GCF(21x,56xy)=7·x=7x.

Thus,

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Answer:

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Step-by-step explanation:

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