18. In the figure below, ABC is a right triangle, AC =12,CB =16, and BA =20. D, E and F are on BC,CA and AB, respectively, so that A E =3, CD =4, and B F =5. What is the ratio of the are a of triangle DE F to that of triangle ABC?A石159F■C4 D12B ...
28In the figure below, ABC is a right-angled triangle. EF is parallel to GH.Find ∠BCH.E77°50°B GC H∠ACB =180°-90°-50°=40°∠ACH =77°∠BCH =77°-40°=37°37ūAns:O 相关知识点: 试题来源: 解析 ∠ACB=180°-90°-50°=40° ∠ACH=77° ∠BCH=77°-40°=37°37 ...
Solve x for the right triangle: (figure below). Tangent Ratio: The tangent ratio has several uses and applications in the field of trigonometry, especially to measure distances and heights. In a right triangle, the formula for the tangent of the acute angle can be represented as follows: ...
Solve the right triangle shown in the figure to find angles A and B where a = 25, c = 45 Given the right triangle shown below with side lengths a = 11, b = 5, and c = sqrt(146), find the angles A a...
aThe Right triangle is the first of the two illustrations shown. The irght triangle stands upon a firm foundation of facts. Within the triangle itself, the base is the “ Problem,” next comes the assessment and stimulation of “ Desire,” then the “ Solution,” and finally the “ Close...
Take the shorter side of the right angle as the axis, rotate and it forms Cone B. The simplest integer ratio between the volumes of A and B is . 相关知识点: 试题来源: 解析 3:4 根据圆锥由直角三角形沿直角边旋转而来. 可知圆锥A的半径是3cm,高是4cm. 圆锥B的半径是4cm,高是3cm, A...
9 In the figure below, ABC is a right-angled triangle. BCD and BFE are straight lines. ZBAF is 27. ∠AFB is 77° and ZEDB is 84°.Find ∠BED.A E77°F84%B CD 相关知识点: 试题来源: 解析 ∠ABF=180-77-27°=76°∠EBD=90°-76°=14°∠BED=180°-14°-84°=82° ...
Solving a Right Triangle, solve the right triangle shown in the figure. {eq}A = 30^{\circ} , b = 10 {/eq} Right Triangle : The sides of a right triangle can be determined either by using the Pythagoras theorem or by using the trigonometric ratios. Pythagoras theorem states...
The length of the three sides of a right triangle is x,2x+2,2x+3. What is the area of the right triangle?
Use the figure below to answer: a. Which side of the triangle is the longest? b. Which side of the triangle is shortest? Solve the right triangle ABC, with C = 90^{\circ}. A= 37.2^{\circ}, c= 24.8 ft. Solve the right triangle. b = 1.08, c = 4.34, C = 90^o. Solve for...