This triangle is obtuse( as it's one angle is greater than 90°) as well as isosceles (as it's two sides are equal).
Answer: 18
Step-by-step explanation: The formula for calculating a triangle’s area is 1/2(base•height). This means that 12•3 is 36, which multiplied by 1/2 is 18.
(Hope this helps)
Answer:
n=5
Step-by-step explanation:
7n-4 = 31
+4 +4
7n = 35
/7 /7
n=5
Answer: 132 handshakes in total
Step-by-step explanation: 11x12 because one of them will be the one shaking hands with everyone else so he would have gotten 11 hands shaked so everyone would have gotten their hands shaked 11 times
The solution to the equation is (-5,-8)
