Chemistry, 24.10.2021 14:00 dayanara72

Một số hệ thức lượng về cạnh và đường cao trong tam giác vuông 1.1 Cho tam giác ABC vuông tại A, có AB 15cm; AC 20cm và đường cao AH. Tính
độ dài đoạn thẳng BC và AH.
1.2 Cho tam giác ,ABC biết 7,5,BCcm 4,5,CAcm 6.ABcm
a) Tam giác ABC là tam giác gì ? Tính đường cao AH của tam giác ;ABC
b) Tính độ dài các đoạn ,BH .CH

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 07:20, camillexv2668

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Answers: 1

continue

Chemistry, 22.06.2019 13:30, hdhtvthjr

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Answers: 1

continue

Chemistry, 23.06.2019 01:00, only1cache

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.

Answers: 2

continue

Chemistry, 23.06.2019 05:50, mandyO1

What are the coefficients to balance the following equation? ba+br=babr2

Answers: 1

continue

You know the right answer?

Một số hệ thức lượng về cạnh và đường cao trong tam giác vuông 1.1 Cho tam giác ABC vuông tại A, c...