3 years ago

Help pls 70 points i will mark brainliest

Mathematics

1 answer:

nlexa [21]3 years ago

6 0

Answer:

Step-by-step explanation:

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Measured the sides of a right triangle to be 15cm and 8cm. Find the length of the hypotenuse.

maksim [4K]

C = √15^2 + 8^2

c = √225 + 64

c = √289

c = 17

The lenght of the hypotenuse is 17.

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2 years ago

A tree cast a shadow of 30m long and a 2m stick casts one that is 3m long. As show in the below diagram how tall is the tree?

PSYCHO15rus [73]

Answer:

20 m

Step-by-step explanation:

<u>We have similar triangles here.</u>

BC║DE, AB║AD and AC║AE ⇒ ΔADE ~ ΔABC

<u>The ratio of corresponding sides of similar triangles is same:</u>

BC/DE = AC/AE
BC / 2 = 30/3
BC / 2 = 10
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BC = 20 m

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3 years ago

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Acceleration is the answer

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Students in grades 7 and 8 were asked which food they liked the best. The results are shown in the table. What percentage of all

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Where's the table?

Step-by-step explanation:

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3 years ago

20 POINTS! Please help, best answer will recessive brainliest answer points as well as 5 stars and a thank you. :)

Kaylis [27]

Answer:

Step-by-step explanation:

Diagonals of a rhombus are perpendicular bisector.

Hence, triangle ABE so formed would be a right triangle right angled at E.

Therefore, by Pythagoras theorem:

$AB = \sqrt{AE^2 + BE^2 } \\ \\ \therefore \: AB = \sqrt{5^2 + 12^2 } \\ \\ = \sqrt{25 + 144} \\ \\ = \sqrt{169} \\ \huge \red { \boxed{ \therefore \: AB= 13}}$

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3 years ago

Help pls 70 points i will mark brainliest​

Help pls 70 points i will mark brainliest