\( \begin{array}{llll}\text { In a quadrilateral, all the sides are equal, but diagonals are not equal, it is called } \\ \text { a) Rectangle } & \text { b) Rhombus } & \text { c) Trapezium } & \text { d) Square }\end{array} \) \( \begin{array}{llll}\text { a) }(-8) & \text { b) } 8 & \text { c) } 2 & \text { d) (-2) }\end{array} \)

Determine if the following lines are parallel, perpendicutar, or neither. \[ \begin{array}{l}y=\frac{x}{3}-7 \\ y=-3 x+5\end{array} \]

Figure 4.27 The areas of two similar triangles are \( 64 \mathrm{~cm}^{2} \) and \( 144 \mathrm{~cm}^{2} \), a) Find the ratio of their altitudes. b) If the perimeter of the smaller triangle is 49 cm , find the perimeter of the larger triangle.

Arc Length Find the arc length for the following. 13. A circle has a radius of 5.75 inches. Find the length of the arc intercepted by a central angle of \( \frac{5 \pi}{6} \). 14. A circle has a diameter of 10 inches. Find the length of the arc intercepted by a central angle of \( 125^{\circ} \).

در یک مثلث 45°-45°-90°, اگر طول یکی از اضلاع برابر با 8 واحد باشد، طول وتر را محاسبه کنید.

QUESTION \( 16 \cdot 1 \) POINT Find the equation of the line passing through the points \( (-2,5) \) and \( (-7,5) \).