lupemolacat107 lupemolacat107

15-06-2021
Mathematics

contestada

Triangle DBC is equilateral,
AB = AC. Work out the size of angle x.

Pls asap

Triangle DBC is equilateralAB AC Work out the size of angle x Pls asap class=

Respuesta :

Аноним Аноним

15-06-2021

Answer:

x = 21º

Step-by-step explanation:

∆ ABC is isosceles therefor

Angles B and C are congruent

(180 - 18)/2 = 162/2 = 81º

------------------

∆ BCD is equilateral therefor all angles are 60º

---------------------------

x = = 81 - 60

x = 21º

Answer Link

Otras preguntas

In which sentence does the underlined gerund function as the object of a preposition? A-In their free time, the children enjoyed drawing. B-The child was dizzy

ile procent we wrzesniu 2013 zajmuja soboty i niedziele

Which is bigger, 40% of 200 or 1/3 of 150

Help plz What is the approximate distance between points A and B? A 3.61 B 9.22 C 10.35 D 12.62

which Statement describes what these four powers have in common? 4^0 (-2)^0 (1/3)^0 A. all the powers have a value a value of 0 because the exponent is zeroB.

How many embryonic and adult tissue layers are found in jellyfish, hydras, and sea anemones?

9. What happens when societies do not have governments? There is chaos among the citizens. There is peace within a social group. Families and tribes liv

Compare the word strand and sprang. How are they alike? How are they alike

Which of the following is equivalent to 34 · 3-2?

which value of G makes the expression true? (x+7)(x-4)=x^2+ga-28