Lúc 7 giờ , xe đạp đi từ A với vận tốc 10km/h. Lúc 8h30,xe máy từ A đuổi theo với vận tốc 30km/h. Hỏi sau bao lâu kể từ khi xe đạp xuất phát hai xe gặp nhau lúc mấy giờ?

c. 27 units.

step-by-step explanation:

we are told that in circle a, ∠bae ≅ ∠dae.

we can see from our given diagram that in and ;

, as these are radii of our given circle.

therefore, by sas congruence postulate.

hence, side be will be equal to side de as corresponding parts of congruent triangles are congruent. so we can set an equation to find the value of x as:

now let us substitute x=17 in the expression for the length of be.

therefore, length of be will be 27 units and option c is the correct choice.

hello, there is a new name in town and that's the human spider!

answer: d.) the total number of protons and neutrons is 15

merry christmas!

~

your friendly neighborhood human spider! .

answer: its the third option.

step-by-step explanation:

i just took the test.