opposite angles of rhombus

Identify a quadrilateral that has four right angles. => parallelogram or rhombus or trapezoid or rectangle..

If the length of the hypotenuse of a 30° - 60° - 90° triangle is 14 3 cm, then the length of the leg opposite the 60° angle is => 3 cm. or 2 3 cm. or 8 3 cm. or 21 cm...

A variable triangle ABC is inscribed in a circle of diameter x units. At a particular instant, the rate of change of side BC is x 6 times the rate of change of measure of the opposite angle A. Find the measure of angle A. => Sin -1 1 6 or Cot -1 1 6 or Tan -1 1 6 or Co..

From the top of a building of height h meters in a street, the angles of elevation and depression of the top and the foot of another building on the opposite side of the street are θ ° and φ ° respectively. Find the height of the opposite building. [G..

In triangle ABC, if a = 4, b = 3, and c = 5, then find the measure of the angle opposite to the longest side to the nearest degree. => 0 o or 45 o or 90 o or 60 o..

In ΔABC, if a = 4, b = 3, and c = 5, then find the measure of the angle opposite to the longest side to the nearest degree. => 0 o or 90 o or 60 o or 45 o..

What is the special quadrilateral formed by the angle bisectors of a parallelogram? => Isosceles trapezoid or Rhombus or Kite or Rectangle..

From the top of a tower of height h meters the angle of depression of a red car is φ ° and the angle of depression of a blue car which is on the opposite side of the tower is θ °. If the distance between the foot of the tower and the red car is y mete..

A figure has 4 sides of equal lengths and two pairs of parallel sides. One of the angle measures 120°. Which name best describes this figure? => square or rectangle or rhombus or trapezoid..

The angles of a quadrilateral are a = 127 o , b = 147 o , c = 53 o , and d = 33 o (in that order). Then the quadrilateral is a [Given x = 53 0 and y = 33 0 .] => kite or trapezium or rhombus or parallelogram..