starlight47 starlight47

16-12-2019
Mathematics

contestada

What is the measurement of A?

What is the measurement of A class=

Respuesta :

FrightfulMarty FrightfulMarty

16-12-2019

Answer:

∠A=-4X+170°

Step-by-step explanation:

IN triangle some of all the angle is 180°

hence in triangle ABC

∠A+∠B+∠C=180°

GIVEN ∠A=X+20° ∠B=3X-10°

HENCE ∠A+3X-10°+X+20°=180°

∠A+4X+10°=180°

∠A=-4X+170°

Answer Link

Otras preguntas

Darryl finds a bottle of what looks like clear water, with dirt settled at the bottom. When he shakes the bottle, the water gets dirty. Which term best describe

please help me!!!!??

CAM plants close their _____ during the day an open during the night

Which two traits can you infer about Mira in this excerpt from “Games at Twilight” by Anita Desai?

A rectangular board is 1300 millimeters long and 800 millimeters wide. What is the area of the board in square meters?

why does the middle of the wood look as if it has not been treated when it is cut

How does money serve as a store of value?

I need help with 1-10

As an object falls freely near the surface of the earth, its velocity?

(11, 1), after a translation 10 units down followed by a reflection over the y-axis?