Answer:
17.2°
Explanations
To find angle A, use the cosine rule.
a^2 = b^2 + c^2 - 2 × a × c cos A
4^2 = 7^2 + 10^2 - 2 × 7 × 10 cos A
16 = 49+ 100 - 140 × cosA
16 = 149 - 140cosA
16- 149 = - 140cosA
-133 = - 140cosA
cosA = 133/140
cosA = 0.95
A = 17.2°
Answer:
-7/9
Step-by-step explanation:
here you go I hope it helps
6.5% of 478.....turn ur percent to a decimal...." of " means multiply
0.065(478) = 31.07 <===
Answer:
A. Collinear
Step-by-step explanation:
three points that all lie in a straight line
A. Collinear- means along the same line
B. Congruent - means the same
C. Equal = means the same
D. Midpoint= means the middle
Answer:
AB = 150 degrees
Step-by-step explanation:
Right triangle has a 90 degree angle. One angle is 30 degrees. There is 180 degrees in one triangle. 180-30= 150.
<h3>Hope this is Helps!!!!</h3>
