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Flura [38]
3 years ago
5

HELP PLZZZ THERE IS NO ANSWER CHOICES MARKING BRAINLIEST

Mathematics
2 answers:
jek_recluse [69]3 years ago
4 0

Answer:

B = 10.5

Step-by-step explanation:

From the figures, it looks like triangle HER is similar to triangle KPS.

From that we get

\dfrac{HE}{KP} = \dfrac{ER}{SP}

\dfrac{B}{7} = \dfrac{7.5}{5}

Multiply both sides by 7.

B = 10.5

vitfil [10]3 years ago
3 0

Answer:

B = 10.5

C = 10

Step-by-step explanation:

When one divides the corresponding sides of similar triangles, one will attain the ratio of similitude. If one multiplies one of the similar triangle's sides by the ratio of similitude, then one will attain the corresponding side of the similar triangle. In simple terms, the ratio of similitude is the scaling factor between two similar polygons.

As per the given information, the two triangles are similar, therefore one can set up a proportion with their corresponding sides;

\frac{ER}{PS} = \frac{HE}{KP} = \frac{HR}{KS}

Substitute;

\frac{7.5}{5} = \frac{B}{7} = \frac{15}{C}

Solve for B with cross products;

(7.5)(7) = (5)(B)\\52.5 = 5B\\10.5=B

Solve with cross products for C;

(7.5)(C) = (15)(5)\\7.5C = 75\\C=10

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