The expression \dfrac12bh 2
1
​
bhstart fraction, 1, divided by, 2, end fraction, b, h gives the area of a triangle where bbb is the base of the triangle and hhh is the height of the triangle.
What is the area of a triangle with a base of 7 \text{ cm}7 cm7, start text, space, c, m, end text and a height of 4 \text{ cm}4 cm4, start text, space, c, m, end text?

x= 149. 24+7=31. 180-31=149

your welcome

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead