X should also be 50° because they are corresponding angles.
Answer:
(5, 2), (5, 1), (2, 1), (2, 2)
Step-by-step explanation:
When rotated 90° CCW about the origin, a point is transformed by the rule ...
(x, y) ⇒ (-y, x)
Your points get transformed to ...
(2, -5) ⇒ (5, 2)
(1, -5) ⇒ (5, 1)
(1, -2) ⇒ (2, 1)
(2, -2) ⇒ (2, 2)
<h3>
Answer: RJ = 10</h3>
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Explanation:
Recall that midsegments are half as long as the side they are parallel to. In this case, midsegment PQ is parallel to segment GJ. This means PQ is half as long as GJ. Phrased another way, we can say GJ is twice as long as PQ.
So,
GJ = 2*PQ
Also, we can see that GR = RJ due to the triple tickmarks they share. This leads to GJ = GR+RJ = RJ+RJ = 2*RJ
Or in short,
GJ = 2*RJ
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In summary we can see that
equating both right hand sides leads to
2RJ = 2PQ
RJ = PQ
Because PQ is 10 units, this means RJ is also 10 units.
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Another way to see why PQ = RJ is to notice how triangles HPQ and QRJ are congruent triangles (use SAS to prove this). The corresponding pieces PQ and RJ are the same length, so PQ = RJ = 10.
Responder:
11
Explicación paso a paso:
Dado que:
Dimensión de la habitación = 3,7 m por 4,5 m
Área de la habitación:
Largo * ancho
Los 3.7m * 4.5m
= 16,65 m²
Área de la caja de piso = 1.54m²
Número de cajas de suelo necesarias:
Área de la habitación / área de la caja de piso
16,65 m² / 1,54 m²
= 10,812
= 11 cajas de suelo
Picture is too tiny I can’t see
