Which of the following describes the comparison between a right angle and an acute angle?
Primary School · Mathematics
Angles (Comparsion of the sizes):練習問題
その場で採点される選択問題 5 問と、解説つきの記述問題 4 問。すべて「Angles (Comparsion of the sizes)」からの出題です。
Consider three angles:
Angle A is a right angle.
Angle B is formed by a square's corner.
Angle C is an acute angle.
Which of the following statements about their sizes is true?
Consider a triangle where one angle is \(60^{\circ}\). If the second angle is smaller than a right angle but larger than the first angle, what can be said about the third angle when comparing its size to a right angle?
Which of the following descriptions about the sizes of angles is correct?
Arrange the following angles from the largest to the smallest:
Angle A: An acute angle
Angle B: A right angle
Angle C: An obtuse angle
Among an acute angle, a right angle, and an obtuse angle, which one has the greatest size?
まず自分で答えを書いてから、解説と照らし合わせましょう。
In a rectangle \( ABCD \), there is a point \( E \) on side \( CD \) such that \( \angle DAE = 32^\circ \). If \( \angle EAB \) is divided into two equal smaller angles by a line \( AF \), what is the size of \( \angle FAB \)?
まず自分で答えを書いてから、解説と照らし合わせましょう。
Consider the clock shown in the diagram. If the time is exactly 2:00, the smaller angle between the hour hand and the minute hand is Angle A. If the time is exactly 3:00, the smaller angle is Angle B. If the time is exactly 4:00, the smaller angle is Angle C. Arrange the angles in order from the smallest to the largest.
まず自分で答えを書いてから、解説と照らし合わせましょう。
Consider the three types of angles described below: Angle A, Angle B, and Angle C.
- Angle A is a right angle.
- Angle B is an acute angle.
- Angle C is an obtuse angle.
(a) Arrange the three angles in order from the smallest size to the largest size.
(b) If Angle B measures \( 35^\circ \), what is the difference in size between Angle A and Angle B?
(c) If Angle C measures \( 125^\circ \), how many degrees larger is Angle C than Angle A?
まず自分で答えを書いてから、解説と照らし合わせましょう。
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