结果1 题目 In a triangle PQR, PQ = QR and PR = 15 cm. The height of the triangle is 12 cm. What is the area of the triangle PQR? A. 54 cm^2 B. 108 cm^2 C. 216 cm^2 D. 432 cm^2 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
百度试题 结果1 题目In triangle PQR, = 5 cm, RQ= cm, and RPQ=60%a Find the length of [ 相关知识点: 试题来源: 解析 4PDa using the cosine 0= + 5-2Xxx5X 49=x+25-5x)C-5-24=0x-8)DC+3)0∴x二803= 反馈 收藏
8=|PR-QR|<PQ<|PR+QR|=32 So the greatest possible length of PQ is 32
百度试题 结果1 题目In the triangle PQR, (PQ)=a, (PR)=b. M is the midpoint of (PQ) and N lies on (PR) such that (PN): (PR)=1:4. Find in terms of a and b. (QN) 相关知识点: 试题来源: 解析 -a+ 15b 反馈 收藏
aRight triangle PQR is to be constructed in xy-plane so that the right angle is at P and PR is parallel to the x-axis. The x- and y-coordinates of P< Q, and R are to be integers that satisfy the inequalities-4 正三角形PQR将被修建在X - Y飞机,以便直角在P,并且PR与X轴是平行的...
aFor The Homeless, Every Day Is A Struggle 为无家可归者,每天是奋斗[translate] aRight triangle PQR is to be constructed in the xy-plane so that the right angle is at P and PR is parallel to the x-axis. The x-and y-coordinates of P, Q, and R are to be integers that satisfy ...
5. A triangle PQR was given in which lengths of two sides were given as QR = 12 , PR = 13 and the perimeter of the triangle was 32. Col A: Measure of angle of Q Col B: 90 最后就是让colA和colB比较大小,恩,我不知道这个题目要怎么算出Q, 相关知识点: 试题来源: 解析...
Case 1. In triangle ABCAB= 2.5 cmBC = 4.8 cm andAC = 5.2 cmAB + BC = 2.5 cm + 4.8 cm= 7.3 cmAs 7.3 > 5.2∴ AB + BC > ACHence, the sum of any two sides of a triangle is greater than the third side.Case 2. In triangle PQR...
If the threeanglesand the three sides of atriangleare equal to thecorresponding anglesand thecorresponding sidesof another triangle, then both the triangles are said to becongruent. In Δ PQR and ΔXYZ, as shown below, we can identify that PQ = XY, PR = XZ, and QR = YZ and ∠P = ...
百度试题 结果1 题目 Find the measure of angle Q in triangle ( PQR) given that Q() R=47()^(° ), (QR)=11 m, and (PR)=9.6 m. 相关知识点: 试题来源: 解析 Q≈ 39.7^( ° ) 反馈 收藏