ASAP PLEASE HELP! ABC and ACD are both right-angled triangles.
D
a) Explain why the length of AC
is 13 cm.
5 cm
+
С
5 cm
b)
Calculate the length of AD.
Give your answer correct
to 1 decimal place.
B
A
12 cm

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)

10000

step-by-step explanation: divide by 2,

a is the right answer

the answer is 99.