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Q4 REVIEWER 24-25

Quiz by Maria Resureccion M. Borja

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20 questions
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  • Q1

    Given a 45° by 45° by 90° triangle, what is the measure of the hypotenuse if the leg is 25?

    25√2

    50

    50√2

    25

    60s
  • Q2

    What is the reciprocal of the cosine value of any angle?

    cosine

    cosecant

    secant

    tangent

    60s
  • Q3

    Which of the following summarizes the law of sines?

    sinA = sinB = sinC  

    bcsinA = acsinB =absinC

    asinA         = bsinB           =csinC

    \frac{a}{Sin\ A}=\frac{b}{Sin\ B}=\frac{c}{Sin\ C}

    60s
  • Q4

    Which of the statements is incorrect?

    You can solve for the unknown side of any given triangle if you knowthe lengths of the other two sides by using the Pythagorean theorem .

    The hypotenuse is the longest side in a right triangle

    The PythagoreanTheorem applies to all right triangles.

    The hypotenuse is theside opposite the 90o angle

    60s
  • Q5

    With respect to the given angle, what is the ratio of the hypotenuse to the opposite side?

    tangent

    sine     

    cosecant

    cosine

    60s
  • Q6

    In triangle PQR, what is the lengthof PQ?

    Question Image

    12 cm

    5cm

    9 cm

    1 cm

    120s
  • Q7

    Which ratio represents csc M in the diagram at the right?

    Question Image

    \frac{85}{36}

    \frac{77}{36}

    \frac{85}{77}

    \frac{36}{77}

    60s
  • Q8

    It is the angle formed between the horizontal line of sight and the line of sight to an object above the horizontal line?

    Angle of elevation

    Angle of depression

    Acute angle

    Obtuse angle

    60s
  • Q9

    In a right triangle PQR, PQ =12cm and QR = 5cm. What is cos R?

    \frac{12}{5}

    \frac{12}{13}

    \frac{5}{12}

    \frac{5}{13}

    120s
  • Q10

    The following are cases where the Law of Sines applies, except for one. Which is it?

    SSA (Side-Side-Angle)

    AAS (Angle-Angle-Side)

    ASA (Angle-Side-Angle)

    SSS (Side-Side-Side)

    60s
  • Q11

    An improvised instrument used to measure the angle of elevation and depression of an object being observed.

    Users re-arrange answers into correct order
    Jumble
    60s
  • Q12

    A triangle which does not contain any right angle.

    Users re-arrange answers into correct order
    Jumble
    60s
  • Q13

    An Angle from the horizontal line of sight of the observer to the line of sight of the object below.

    Users re-arrange answers into correct order
    Jumble
    60s
  • Q14

    The side next to the reference angle in a right triangle.

    Users re-arrange answers into correct order
    Jumble
    60s
  • Q15

    Angles with reference angle of 30°, 45°, or 60°.

    Users re-arrange answers into correct order
    Jumble
    60s

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