Answer:
See below
Step-by-step explanation:
I'm not going to provide answers, but the tips I'll provide to you will help answer all those questions:
Isosceles triangles have two congruent sides along with two congruent angles
Scalene triangles have no congruent sides nor any congruent angles (think "sca"rce for "sca"lene)
Equilateral triangles have all of their sides congruent to each other along with all of their angles congruent to each other (aka. equiangular angles), so think "equal".
Right triangles have one of their angles measure exactly 90 degrees. This is notated with a box/square shape for the angle (think exact for right).
Acute triangles have all of their angles measuring less than 90 degrees (known as acute angles), so think "cute" meaning "tiny".
Obtuse triangles have only one angle greater than 90 degrees (aka. obtuse angle), but the other two are acute, so think of that big O in obtuse.
I hope this helps you answer the questions, and good luck!
Answer:
Step-by-step explanation:
A
Answer:
Step-by-step explanation:
Sum of interior adjacent angle is 180 degrees.
Given
m∠BNR=12w-19,
m∠RNA= ¼(w+199)
m∠BNA=2(12w-19).
Substitute
m∠BNR+m∠RNA=
¼(w+199)+12w-19, = 2(12w-19).
W+796+48W-76 = 96W-152
49W-96W = -152+76-796
-47W = 872
W = 872/47
W = 18.55
Answer:
56.52 inches
Step-by-step explanation:
pi is the ratio of the circumference to the diameter so you can simply multiply the diameter by pi to get the circumference which is 3.14 * 18 = 56.52