△ABC的面积为20×10÷2÷2=50.结果一 题目 In triangle ABC,∠C=90∘,∠A=15∘,AB=20. What is the area of this triangle?( )A.20B.50C.100D.200 答案 B相关推荐 1In triangle ABC,∠C=90∘,∠A=15∘,AB=20. What is the area of this triangle?( )A.20B.50C.100D.200 ...
Answer to: In right triangle ABC with m (angle C) = 90 degrees, m (angle B) = 27 degrees and AB measures 16 units. Find the length of AC. By...
In right-angled triangleABCin which∠C=90∘, ifDis the mid-point ofBC, prove thatAB2=4AD2−3AC2. Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
百度试题 结果1 题目 a) In triangle ABC, AB =9 cm, BC =7 cm and angle ABC =128°.Calculate i) the length of AC,ii) the area of triangle ABC. 相关知识点: 试题来源: 解析 a) i) ii) 反馈 收藏
Answer to: In a right triangle, ABC with C = 90 degrees, a = 4 and b = 1. Use the given information to find the six trigonometric functions of A...
In triangle ABC, BM is the median on AC. AE and AF trisect BC and meet BM at G and H, respectively. BG:GH:HM=x:y:z. Find the value of x+y+z, where x, y, and z are positive integers relatively prime. ( ) A. \number{10} B. \number{9} C. \number{8} D. \number...
In a triangle ABC, B=90^@ and D is the mid-oint of BC then prove that AC^2=AD^2+3 CD^2
Answer to: In the right triangle ABC having C= 90 degrees, b = x and c = 5x, find sin A, cos A, tan A, and sin B, cos B, tan B. By signing up,...
In a triangle ABC, b=203 mm, c=158 mm, B=94^(° )12'. Calculate the values of a, A, C and find the area of the triangle. 相关知识点: 试题来源: 解析 a=116.4, A=34^(° )53', C=50^(° )55'. Δ =9172 mm2反馈 收藏 ...
Class 10 MATHS In `triangleABC`, if AD is the median an... In △ABC, if AD is the median and ∠ABC=90∘, then AC2 =Solution in Bengali A AD2.BD2 B AD2+BD2 C AD2+2BD2 D AD2+3BD2. Video Solution free crash course Study and Revise for your exams Unlock now | ShareSave ...